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Larsen Barasa

Sekolah Tinggi Ilmu Pelayaran Jakarta

Author-ID : 1263420

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Professional Maritime Education Impact on Supply Chain Economic Optimization in Global Trade Barasa, Larsen; Cahyadi, Tri; Simanjuntak, Marihot
Meteor STIP Marunda Vol 18 No 1 (2025): June
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v18i1.352

This research examines how comprehensive maritime education prepares professionals for supply chain economic management and global trade impact assessment. Through qualitative analysis of ten Nautical Deck Engineering graduates with ten-year vocational maritime education and current leadership positions in shipping industries, the study investigates educational preparation effectiveness for economic competency development. The research employs phenomenological analysis, thematic examination, and narrative synthesis to understand professional competency evolution from educational foundation through career advancement. Results demonstrate exceptional performance across measured competency dimensions, with Supply Chain Economic Performance Index scores of 4.7 and Global Trade Economic Integration Coefficient scores of 4.6 out of 5.0. Participants generated $69.5 million annual economic value through supply chain optimization, cost reduction, and strategic positioning improvements. Thematic analysis reveals four primary competency development categories: educational foundation excellence, professional competency evolution, supply chain economic optimization, and global trade impact understanding. The findings indicate that comprehensive maritime education effectively develops analytical capabilities, strategic thinking competencies, and economic understanding essential for professional excellence in supply chain management contexts, providing substantial return on investment in maritime education and professional development.

The Enhancing Maritime Emergency Response through Integrated Problem Based and Team Based Training Fadiansyah, M Rizki; Cahyadi, Tri; Barasa, Larsen
Meteor STIP Marunda Vol 18 No 2 (2025): December
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v18i2.443

This study investigates the integration of Problem Based Learning (PBL) and Team Based Training (TBT) within Basic Safety Training (BST) to enhance teamwork effectiveness during simulated maritime emergencies. Conducted through a qualitative, phenomenological approach at the Sekolah Tinggi Ilmu Pelayaran (STIP) Jakarta, the research involved in-depth interviews with five trainees and two instructors, alongside direct observations. The findings demonstrate that the PBLTBT model catalyses a critical shift in trainee competence, moving from rigid procedural recall to dynamic, adaptive problem-solving. Furthermore, the methodology fostered the development of shared mental models and non-verbal coordination, building collaborative resilience under highstress scenarios. The research concludes that the synergistic application of PBL and TBT effectively bridges a critical gap in traditional maritime education by systematically developing the non-technical skills essential for modern seafaring. This evidence-based model offers a vital strategy for maritime training institutions aiming to improve safety outcomes and cultivate seafarers who are not only technically proficient but also skilled in teamwork and crisis management, thereby addressing a fundamental need in the global maritime industry.

The Influence of International Education Standards on Transportation Management Practices Larsen Barasa
Action Research Journal Vol. 1 No. 2 (2024): May 2024
Publisher : Lembaga Einstein College (LEC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63987/arj.v1i2.58

This research examines the impact of international education standards on transportation management practices, focusing on multimodal education in transportation institutes. Qualitative data were collected from 39 cadets studying multimodal transportation, logistics, transportation safety, and law and road management. The study found that while there is some alignment between curriculum content and international standards, challenges such as resource constraints, cultural differences, and language barriers hinder full compliance. However, cadets perceive adherence to international standards as crucial for their future career prospects in the transportation industry. The research highlights the importance of aligning educational practices with international standards to enhance the competence of transportation professionals and improve the sustainability of transportation management practices. This study contributes to the existing literature by providing insights into the influence of international education standards on transportation management practices, with implications for policymakers, educators, and practitioners in the transportation sector

Toward Zero Emission Maritime Transport: A Systematic Review of Decarbonization and Pollution Prevention in WIG Craft by Design Arif Priadi, Antoni; Cahyadi, Tri; Winarno; Hadi, Miftahul; Sambega Bintang, Ananta; Dwikora Simanjuntak, Pargaulan; Barasa, Larsen; Suranta, Natanael; Rinaldi, Aditya
Nama Jurnal Akmi Vol 8 No 1 (2026): J.Sitektransmar May 2026
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v8i1.164

The modern transportation sector must consider its environmental impact particularly air pollution in addition to improving efficiency and speed. One of the main factors contributing to air pollution and global warming is the exhaust emissions produced by fossil fuel-based modes of transportation. Wing in Ground (WIG) craft are vehicles that use ground effect to fly low over water or land with lower energy consumption than conventional aircraft. This is one alternative mode of transportation that is beginning to attract attention. The literature explicitly addressing the relationship between WIG Craft design and air pollution impacts remains relatively limited; therefore, studies need to be developed that explore preventive measures to minimize air and noise pollution from this technology. Research focusing on the potential pollution and environmental impacts generated by WIG Craft is still very limited; this is because WIG Craft is a technology not yet produced for public transportation, and another factor is that research focus remains on design, stability, and control. Given these conditions, this study is important for identifying and formulating preventive strategies to reduce air and noise pollution from the use of WIG Craft. Purpose – This systematic literature review aims to comprehensively synthesize the current evidence on pollution prevention strategies in WIG craft design. Methodology – The initial phase of the study involved a systematic literature review. This Systematic Literature Review investigation was guided by the PRISMA analysis. Because of its substantial data collecting and comparatively strict and precise process. Findings – The potential emissions from WIG craft can be reduced through the design of green propulsion systems using electric power and low-carbon fuels. To mitigate the environmental footprint of Wing-in-Ground craft, researchers have proposed a combination of advanced aerodynamic design, noise suppression technologies, and optimized operational strategies.

TECHNOLOGY-ENHANCED LEARNING ENVIRONMENTS: REAL-TIME DATA INTEGRATION IN MARITIME COMPETENCY-BASED TRAINING THROUGH IOT SYSTEMS Winarno, Winarno; Barasa, Larsen; Simanjuntak, Marihot; Malau, April Gunawan; Suranta, Natanael; Wibowo, Titis Ari
Erudio Journal of Educational Innovation Vol 13, No 1 (2026): Erudio Journal of Educational Innovation
Publisher : Faculty of Administrative Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

This quasi-experimental research investigated IoT-integrated curriculum effectiveness for maritime competency-based education, addressing workforce preparation needs for technology-intensive operations. Specialized curricular modules incorporating authentic water quality monitoring data from facility IoT systems were implemented with experimental groups (n=45) while control groups (n=42) received traditional instruction. Quantitative assessment revealed statistically significant learning advantages for experimental students across digital literacy (d=1.12), data interpretation (d=1.28), and evidence-based decision-making (d=0.98) competencies. Experimental group competency achievement rates reached 87.3% versus 68.5% for controls (p<.001), representing substantial advancement toward STCW standards. Focus group discussions with students (n=48) revealed enhanced perceived learning authenticity, career relevance, and technology competency development. Instructor interviews (n=8) confirmed observable learning quality improvements while identifying professional development and curricular adaptation requirements. Thematic analysis demonstrated that authentic data engagement catalyzed deeper analytical thinking, sustained engagement, and boundary-crossing learning connecting formal instruction with operational awareness. The research establishes empirical foundation for IoT-integrated pedagogy as effective technology-enhanced learning approach developing critical competencies for contemporary maritime workforce.

Between Pulpit and Bridge: Lecturers as Pastoral Mentors in Indonesian Maritime Education: A Case Study of Spiritual-Vocational Transmission: Di Antara Mimbar dan Anjungan Kapal: Dosen sebagai Mentor Pastoral dalam Pendidikan Maritim Indonesia: Studi Kasus tentang Transmisi Spiritual dan Vokasional Larsen Barasa
SERVIRE: Jurnal Penelitian dan Pengabdian Vol 6 No 1 (2026): SERVIRE: Jurnal Penelitian dan Pengabdian (April 2026)
Publisher : Indonesia Christian Religion Theologians Association and Widya Agape School of Theology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46362/servire.v6i1.457

Dosen maritim kerap menjalankan peran sebagai mentor pastoral secara informal di samping tugas utamanya sebagai pengajar teknis. Namun, fenomena ini belum pernah memperoleh perhatian empiris dalam literatur mengenai agama dan kesejahteraan maupun dalam penelitian pendidikan maritim. Studi kasus kualitatif ini mengkaji bagaimana lima dosen di Sekolah Tinggi Ilmu Pelayaran (STIP) Jakarta memahami dan mengimplementasikan peran gandanya sebagai instruktur teknis sekaligus mentor pastoral. Temuan tersebut ditriangulasi dengan perspektif tiga puluh taruna dan lima profesional maritim senior. Data dikumpulkan melalui wawancara mendalam semi-terstruktur dan diskusi kelompok terarah (focus group discussions), kemudian dianalisis menggunakan analisis tematik, perbandingan lintas kelompok, dan sintesis naratif. Hasil penelitian menunjukkan bahwa para dosen mentransmisikan kebijaksanaan spiritual-vokasional melalui empat mekanisme yang saling terintegrasi, yaitu keteladanan, ketersediaan yang tenang (quiet availability), kesaksian berdasarkan pengalaman berlayar (sea-service testimony), serta bimbingan moral yang responsif. Keempat mekanisme tersebut menghasilkan dampak yang diakui oleh para taruna selama proses pembentukan diri dan oleh para profesional maritim senior sebagai nilai yang terus mereka bawa sepanjang perjalanan karier mereka. Penelitian ini juga menemukan adanya efek multiplikasi, yaitu taruna yang memperoleh pendampingan pastoral cenderung mereplikasi perilaku pastoral tersebut kepada perwira junior selama menjalani penugasan di laut. Selain itu, penelitian ini menempatkan temuan-temuan tersebut dalam konteks dimensi psikologis pembentukan taruna maritim, yang meliputi beban kognitif (cognitive load), perkembangan identitas profesional (professional identity development), dan kesiapan pasca-praktik laut (post-internship readiness), yang secara keseluruhan membentuk lingkungan formasional tempat mentoring pastoral berlangsung. Maritime lecturers frequently function as informal pastoral mentors alongside their technical instructional role, yet this phenomenon has received no empirical attention in the religion-and-wellbeing literature or in maritime education research. This qualitative case study examined how five lecturers at Sekolah Tinggi Ilmu Pelayaran (STIP) Jakarta understand and enact their dual role as technical instructors and pastoral mentors, triangulated with the perspectives of thirty cadets and five veteran maritime professionals. Data were collected through in-depth semi-structured interviews and focus group discussions and analysed through thematic analysis, cross-group comparison, and narrative synthesis. The findings show that lecturers transmit spiritual-vocational wisdom through four integrated mechanisms — modelling, quiet availability, sea-service testimony, and responsive moral guidance — producing effects that cadets recognise during formation and that veterans identify as having carried across their careers. A multiplier effect was documented, with mentored cadets replicating pastoral behaviour with junior officers during sea service. The study situates these findings within the psychological dimensions of maritime cadet formation — cognitive load, professional identity development, and post-internship readiness — that characterise the broader formational environment in which pastoral mentoring occurs.

Analisis Efisiensi Konsumsi Bahan Bakar Kapal Latih KL. Mohammad Husni Thamrin Rute Pulau Baai – Pulau Enggano – Linau: Analysis of Fuel Consumption Efficiency of Kapal Latih KL. Mohammad Husni Thamrin on the Baai Island – Enggano Island – Linau Route Aditya Rinaldi; Nathanael Suranta; Larsen Barasa; Titis Ari wibowo
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 6 No. 2 (2026): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia (On Progress)
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v6i2.1345

Efisiensi konsumsi bahan bakar pada kapal latih merupakan aspek krusial dalam menjaga keberlanjutan operasional dan kesiapan armada pendidikan pelayaran nasional. Penelitian ini bertujuan untuk menganalisis tingkat efisiensi konsumsi bahan bakar Kapal Latih (KL.) Mohammad Husni Thamrin milik Sekolah Tinggi Ilmu Pelayaran (STIP) Jakarta pada rute Pulau Baai – Pulau Enggano – Linau, membandingkan performa efisiensi antar rute, serta mengidentifikasi faktor-faktor yang memengaruhinya. Metode penelitian menggunakan pendekatan kuantitatif deskriptif dengan analisis data operasional sekunder berupa voyage log sebanyak 15 voyage pada periode November 2025, yang mencakup variabel jarak tempuh, durasi, konsumsi fuel oil, Remaining on Board (R.O.B), dan kecepatan kapal. Pengolahan data dilakukan menggunakan bahasa pemrograman Python dengan pustaka pandas, numpy, matplotlib, dan openpyxl pada platform Anaconda Jupyter Lab. Hasil penelitian menunjukkan rata-rata efisiensi bahan bakar sebesar 51,76 NM/Litre dengan koefisien variasi 22,85%, mengindikasikan variabilitas operasional yang tinggi. Rute Pulau Baai → Pulau Enggano teridentifikasi sebagai rute paling efisien (63,33 NM/L), sedangkan rute Linau → Pulau Enggano menjadi paling kurang efisien (44,08 NM/L). Voyage paling efisien dicapai pada voyage ke-5 (69,36 NM/L) dan paling boros pada voyage ke-1 (31,93 NM/L). Analisis regresi linier menunjukkan korelasi positif lemah antara kecepatan kapal dengan efisiensi bahan bakar (r = 0,2875; R² = 0,0827), sehingga faktor non-kecepatan seperti arus, cuaca, dan kondisi lambung diduga lebih dominan. Hasil penelitian ini diharapkan dapat menjadi dasar bagi penyusunan strategi optimasi operasional kapal latih, khususnya melalui penerapan weather routing, optimasi pre-voyage check, dan pengembangan sistem pencatatan data operasional yang lebih komprehensif.

Marine Pollution Prevention Policy and Port State Control Enforcement in Indonesia: Implementation Gaps and Regulatory Recommendations Larsen Barasa; Tri Cahyadi; Marihot Simanjuntak; Irfan Faozun; Chanra Purnama
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Indonesia, as a signatory to MARPOL 73/78, holds binding international obligations for vessel-source pollution prevention across all six annexes. Port State Control (PSC) is the primary enforcement mechanism for realizing these obligations operationally, yet evidence consistently indicates a wide and persistent gap between regulatory obligation and enforcement practice. This study provides a systematic assessment of marine pollution prevention policy and PSC enforcement in Indonesia through a mixed-methods methodology combining quantitative benchmarking of 4,218 IOMOU PSC inspection records (2019–2024), 44 semi-structured stakeholder interviews, and comparative regulatory framework analysis. Results reveal that Indonesia's PSC performance falls significantly below both IOMOU regional and Paris MoU benchmarks across all key indicators: the detention rate of 4.8% is double the Paris MoU average, mean deficiencies per inspection exceed the Paris MoU figure by 1.97, and a repeat deficiency rate of 38.4% — 23.6 percentage points above the Paris MoU — confirms that enforcement is not generating the corrective response it should. MARPOL Annex IV (sewage) and Annex I (oil) deficiency gaps against Paris MoU benchmarks reach 13.2 and 10.8 percentage points respectively, both classified as critical. Six primary implementation gaps are identified: PSC officer capacity deficit, absence of digital inspection systems, inter-agency coordination failure, inadequate penalties, domestic fleet MARPOL exemptions, and port reception facility insufficiency. An Integrated Marine Pollution Prevention Reform Framework addressing all six gaps through a phased four-pillar architecture is proposed, offering a structured pathway for Indonesia to close its enforcement deficit and fulfill its international maritime environmental obligations.

Marine Engineering Innovation for Environmental Compliance: An Integrated Environmental Engineering Framework for Indonesian Domestic Vessel Operations Susi Herawati; Marihot Simanjuntak; Larsen Barasa; Natanael Suranta; Marudut Bernadtua Simanjuntak
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Marine engineering is undergoing a fundamental redefinition — from a discipline optimized primarily for propulsive performance and fuel economy to one in which environmental engineering is integral to every shipboard system domain. This study develops an Integrated Environmental Engineering Framework (IEEF) for Indonesian domestic vessel operations, synthesizing marine engineering innovation literature across propulsion, thermal management, exhaust treatment, waste management, and hull systems into a structured, evidence-based environmental technology portfolio. A mixed-methods methodology was employed, combining quantitative Environmental Engineering Audit Protocol (EEAP) assessment of 72 Indonesian domestic vessels across 10 MARPOL-relevant engineering domains with AHP-TOPSIS multi-criteria technology assessment involving 24 domain experts. The audit reveals critical compliance gaps in CII monitoring systems (36%), waste heat recovery installation (10%), and eco-compliant antifouling coatings (35%), alongside high-severity deficits in NOₓ treatment (42%), sewage treatment (44%), and ballast water management (50%). AHP-TOPSIS ranking identifies waste heat recovery and CII digital monitoring as equal top-priority investments (composite score 0.83), followed by nano-hybrid antifouling (0.79), Annex IV sewage treatment (0.77), SCR/EGR NOₓ reduction (0.72), and LNG dual-fuel conversion (0.68). The IEEF organizes these priorities within a three-horizon implementation roadmap — Horizon 1 (2025–2027) deploying proven compliance technologies, Horizon 2 (2027–2032) advancing NOₓ reduction and hybrid system integration, and Horizon 3 (2032–2050) transitioning toward hydrogen, ammonia, fuel cell propulsion, and on-board carbon capture — providing a structured engineering trajectory aligned with IMO 2050 net-zero ambition.

Eco-Friendly Antifouling Coating Technologies for Marine Vessels: Material Science Advances and Environmental Compliance Under IMO Regulations Tri Cahyadi; Marihot Simanjuntak; Natanael Suranta; Larsen Barasa; Marudut Bernadtua Simanjuntak
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Marine biofouling — the progressive accumulation of microorganisms, algae, barnacles, and other aquatic organisms on submerged vessel hull surfaces — imposes a 25–40% fuel consumption penalty at the macrofouling stage and simultaneously facilitates the transport of non-indigenous invasive species across biogeographic barriers, constituting both a significant GHG emission driver and a global ecological threat. This study examines antifouling coating technology adoption and compliance in the Indonesian domestic fleet, evaluates alternative antifouling technologies against environmental performance, fuel saving benefit, and IMO regulatory compliance dimensions under Indonesian tropical operating conditions, and develops prioritized technology adoption and regulatory implementation recommendations. A mixed-methods design was employed, combining hull inspection and documentary review of 84 domestic vessels across four vessel type categories at three Indonesian port areas, stakeholder interviews with 46 participants across operator, shipyard, regulatory, industry, and NGO groups, and comparative technology performance assessment of four antifouling system categories. Results reveal that while 86% of vessels achieve AFS Convention (TBT prohibition) compliance, only 6.5% fully comply with IMO Biofouling Management Guidelines. A full fleet eco-upgrade across the 84-vessel sample would deliver annual fuel savings of 12,980 tonnes HFO and 40,500 tonnes CO₂ at a positive 15-year fleet NPV of USD 16.6 million. Cost barriers — with eco-friendly coatings carrying a 2–4× unit price premium — are identified as the primary adoption constraint. Three priority policy recommendations are proposed: mandatory Biofouling Management Plan documentation for all vessels exceeding 400 GT; a green maritime financing facility for eco-coating upgrades during drydocking; and mandatory hull fouling performance reporting within the CII monitoring framework.

Co-Authors Abdul Rachman Aditya Rinaldi Aditya Rinaldi Agus Ramdani Ahmad Ahmad Ahmad Wahid Ahmad Wahid Aji Permana Aji Permana Aji Permana, Aji Akhmad Gifari Multazam Alamsyah, Jaya Amrin Amrin Amrin Amrin Andriyan Hendry Ole Antoni Arif Priadi, Antoni April Gunawan April Gunawan Malau April Gunawan Malau April Gunawan Malau ARIF HIDAYAT Bagaskoro, Bagaskoro Bambang Kurniadi Bambang Sumali Bambang Sumali Bambang Sumali Bambang Sumali Benny Hidayat Boy Laksamana Brenhard Mangatur Tampubolon Brenhard Mangatur Tampubolon Cahyadi , Tri Chanra Purnama Cris Kuntadi Damayanto Purba Damayanto Purba Damoyanto Purba Denny Fitrial Desy Anggraini, Rika Dika Handika Munajat Dika Handika Munajat Disca Panji Trianggit Dwikora Simanjuntak, Pargaulan Dwiyani, Nurindah Erwin Ferry Manurung Fadiansyah, M Rizki Fahmi Umasangadji Faisal Aswin Faozun, Irfan Firdaus Bintang Cahyanti Frans Kalangie, Theo J. Geboy Geboy Hazbi Aziz Ashshiddiqi Ida Ayu Putu Sri Widnyani Ikhwanuddin Ikhwanuddin Imam Fahcruddin Imam Fahcruddin Irene Evi Krismawati Irfan Faozun Jaja Suparman Jay Singgih Jayawarsa, A.A. Ketut Kurnia Putri, Mega Laksamana, Boy Lestari, Diyah Dewi Lili Purnamasita Lisa Annur Arum Janah Lisa Annur Arum Janah M. Anang Jatmiko M. Rizki Fadiansyah Mangatur Tampubolon, Brenhard Marihot Simanjuntak Marihot Simanjuntak Marihot Simanjuntak Markus Yando Marlin Marlin Marlin, Marlin Marudut Bernadtua Simanjuntak Mauritz H. M. Sibarani Mega Kurnia Putri Meilinasari Nurhasanah Hutagaol Melinasari Nurhasanah Hutagaol Miftahul Hadi Mora, Priscilia Mudakir Mudakir, Mudakir Mutiara Szeze Natanael Suranta Nathanael Suranta Nurbaety, Intan NURUL WAHYUNI Panderaja Soritua Sijabat Purba, Damoyanto Retno Sawitri Wulandari Retno Sawitri Wulandari Rika Desy Anggraini Riyanto Riyanto Riyanto Riyanto Riyanto Rizal Rochmansyaha Rosna Yuherlina Siahaan Rosna Yuherlina Siahaan Sambega Bintang, Ananta Sari Kusumaningrum Sari Kusumaningrum Sibarani, Mauritz Halomoan Manontang Silitonga, Daniel Simanjuntak, M. Marihot Simanjuntak, Marihot Simatupang, Sahattua P. Sri Nurhayati Suhartini Suhartini Sumali, Bambang Surawan, Agus Susi Herawati Titis Ari Wibowo Togatorop, Agus Tri Cahyadi Utama, Yusuf Pria Vidya Selasdini Wahid, Ahmad Wardoyo Dwi Kurniawan Wartono Rs Wibowo, Titis Ari WINARNO Winarno * **, Winarno * Winarno Winarno Winarno Winarno Winarno Winarno Winarno Winarno Yayu Nopriani Martha Yok Suprobo Yoniessa, Siska

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