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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Spektran CIVED (Journal of Civil Engineering and Vocational Education) Jurnal Teknik Sipil dan Perencanaan Rekayasa Sipil Prosiding Semnastek Jurnal Ilmiah Pangabdhi U Karst Wikrama Parahita : Jurnal Pengabdian Masyarakat Civil Engineering Journal The Spirit of Society Journal : International Journal of Society Development and Engagement Rang Teknik Journal Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Media Ilmiah Teknik Sipil Jurnal Pensil : Pendidikan Teknik Sipil Borneo Engineering: Jurnal Teknik Sipil Applied Technology and Computing Science Journal JAIM (Jurnal Abdi Masyarakat) Jurnal Riset Rekayasa Sipil Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Journal of Sustainable Civil Engineering (JOSCE) Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) Publikasi Riset Orientasi Teknik Sipil (Proteksi) Jurnal Pengabdian UNDIKMA Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Jurnal Talenta Sipil Jurnal Konstruksi Blend Sains Jurnal Teknik Jurnal Pengabdian Masyarakat dan Riset Pendidikan Journal of Civil Engineering and Vocational Education
Agata Iwan Candra
Program Studi Teknik Sipil, Fakultas Teknik, Universitas Kadiri
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Pembuatan masker dan bilik disinfektan sebagai upaya membantu masyarakat terdampak covid-19 Safi'i, Imam; Candra, Agata Iwan; Widodo, Silvi Rushanti; Santoso, Ariadi; Heryanto, Budi; Winarti, Eko; Rahmadi, Afif Nur
Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Vol 4 No 1 (2021)
Publisher : University of Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/jipemas.v4i1.7524

Abstract

The spread of Covid-19 in Indonesia has begun to increase from April 2020, this is because there are still many people who have not implemented the prevention of transmission such as one of them using masks. Observations made at crowded places such as traditional markets found that many people do not use masks due to the scarcity of masks in the market. The methods of making the masks and disinfectant booths aims to help the community, especially in the Kediri region which was affected by the spread of Covid-19. The masks and disinfectant booth products are carried out independently by the Kadiri University in collaboration with the students, lecturers, and alumni of Kadiri University, where the products will be submitted as a form of social service to people in need such as the traditional market in Grogol Village, Kediri Regency. In addition to distributing masks to the public, also given education through socialization the importance of doing a form of prevention of the spread of Covid-19 by always washing hands regularly, keep a distance, and always use a mask.
Increasing The Bearing Capacity of Foundations on Sandy Soil with High Water Levels Using Mini-pile Moh. Ilham Farihi; Agata Iwan Candra; Dwifi Aprillia Karisma; Nur Addin Fatkunada; Malik Ibrahim; Bagas Naga Pratala Haryadi; Rahadi Reswara
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.2

Abstract

In the Kediri Regency area, it is planned to build a 3-story shophouse as one of the supporting facilities and the community’s economic needs. This area has sandy soil conditions and a high-water table. The purpose of this study was to calculate the carrying capacity of the soil in constructing a 3-story shophouse using the Terzaghi, Mayerhof, and Hansen methods. The condition of the soil with a relatively high groundwater table made the implementation of the footplate foundation less effective, so a modification of the foundation was made, which added three mini-piles measuring 0.4x0.4x1.5m, with a design load supported by the foundation of 100 t/m². Calculations with the Mayerhof and Hansen methods have nearly identical results but have not fulfilled the planned load. At a foundation depth of up to 3 m with an SF value of 3, for the Terzaghi method: 107.75 t/m2, the Mayerhof method: 92.51 t/m2, and the Hansen method: 94.68 t/m2. The results can be used as an alternative in constructing a 3-story shophouse with sandy soil conditions and high groundwater levels. This research can also be a reference for other regions facing similar problems.
Pendampingan Penilaian Kelayakan Struktur Beton Bertulang Ruko 2 Lantai Menggunakan Uji Non-Destruktif: Penelitian Dwifi Aprillia Karisma; Agata Iwan Candra; Zendy Bima Mahardana
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.5580

Abstract

Bangunan ruko beton bertulang banyak digunakan sebagai fasilitas kegiatan ekonomi masyarakat, sehingga pemantauan kondisi struktur secara dini diperlukan untuk menjaga keselamatan dan fungsi layan bangunan. Kegiatan pengabdian kepada masyarakat ini melakukan pendampingan kepada pemilik bangunan dalam penilaian kelayakan struktur beton bertulang pada ruko dua lantai menggunakan metode uji non-destruktif. Permasalahan mitra berupa lendutan balok dan retakan struktur. Metode pelaksanaan meliputi konsultasi teknis, investigasi visual, pengukuran lendutan dan retak, serta pengujian non-destruktif menggunakan hammer test. Hasil evaluasi menunjukkan lendutan balok 3,00–3,75 cm dan lendutan pelat 1,25–2,10 cm, disertai panjang retak balok 45–70 cm dan pelat 135–240 cm. Uji hammer test mengindikasikan kuat tekan beton relatif rendah, yaitu 16,8–18,2 MPa pada balok dan 17,7–18,1 MPa pada pelat. Pembongkaran sebagian menunjukkan tebal selimut balok 5,0–6,0 cm dan pelat 2,65–3,50 cm. Melalui pendampingan, mitra memperoleh pemahaman mengenai kondisi aktual struktur dan rekomendasi perbaikan berupa perbaikan retak, perkuatan lokal, serta pemantauan berkala untuk menjaga keamanan bangunan jangka panjang.
Theoretical Enhancement of Point Resistance in Sandy Soils Using Bio-Inspired Cranial Asperity Ratios Candra, Agata Iwan; Munawir, As'ad; Zaika, Yulvi; Suryo, Eko Andi
Civil Engineering Journal Vol. 12 No. 1 (2026): January
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2026-012-01-011

Abstract

This study aims to enhance the bearing capacity of pile foundations in sandy soils through a bio-inspired approach by modifying Meyerhof’s empirical equation using a cranial correction factor. The adjustment considers the geometric influence of the asperity length–height ratio (L/H 20, 26.67, and 33.33) applied to different pile diameters. The analysis was carried out theoretically by calculating point resistance (Qp) using the modified equation, followed by validation through ANOVA and the nonparametric Mann–Whitney test. The results indicate that an L/H ratio of 20 provides the most significant improvement in Qp, ranging from 11.7% to 465.8% compared to the conventional Meyerhof model, particularly at lower D/B ratios where stress concentration can be optimally mobilized. Larger ratios such as 26.67 and 33.33 also improve capacity, though less effectively than L/H 20, yet still outperform unmodified foundations. The correction factors obtained, ranging from Cᵣ 1.07 to 5.66, demonstrate the substantial contribution of geometric modification to load transfer efficiency. The novelty of this research lies in integrating anisotropic interface properties into the classical Meyerhof model, thereby bridging the gap between isotropic predictions and anisotropic experimental evidence. Accordingly, the developed theoretical framework not only strengthens the basis for calculating pile bearing capacity but also opens new avenues for bio-inspired foundation design that is more efficient and sustainable.
Peningkatan Akurasi Perhitungan Kapasitas Dukung Pondasi Strauss melalui Integrasi Profil Diameter Aktual Sepanjang Tiang Rosyta, Heni Agnes; Candra, Agata Iwan
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1218

Abstract

Vertical variability in layered soil profiles often influences the load-bearing performance of pile foundations, particularly for Strauss piles, which exhibit non-uniform diameters and are affected by manual drilling processes. This study aims to evaluate the relationship between depth, depth–diameter ratio (D/B), ultimate bearing capacity (Qu), and allowable bearing capacity (Qall) for B50 and B60 piles based on empirical estimations and field test results. The methodology includes cone penetration resistance (Qc) analysis, bearing capacity calculation using the Meyerhof approach, and field testing to obtain actual Qu and Qall values. The results show that bearing capacity increases with depth until approximately 4.0 m before changing at subsequent depths, with field-measured Qu values remaining lower than empirical predictions, exhibiting differences of 16.993% for B50 and 17.713% for B60. Allowable bearing capacity demonstrates a similar trend, where Meyerhof predictions consistently exceed field measurements. Analysis based on D/B ratios also reveals a consistent pattern of increasing capacity toward a critical ratio followed by changes at larger ratios. Overall, the findings indicate that depth and D/B ratio are dominant parameters controlling the bearing performance of Strauss piles in layered soil conditions.
INCREASING THE BEARING CAPACITY OF SQUARE FOUNDATIONS BASED ON SOYBEAN BIO-CEMENTATION Annas Dwi Safi'i; Agata Iwan Candra; Mahardika Kamalika Khusna Ali
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 14 No. 3 (2025): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v14i3.57680

Abstract

Sandy soils are commonly employed as the foundation for shallow footings. However, their relatively low bearing capacity often leads to excessive settlement and deformation. This study examines the potential application of the Enzyme-Induced Carbonate Precipitation (EICP) technique based on soybeans. Utilizing urease derived from soybeans to catalyze the crystallization of calcium carbonate (CaCO₃). This research investigates the impact of EICP-induced carbonate precipitation on the bearing capacity of sandy soil in square footings. 4 x 4 cm footing model was tested using the AIC-Innovation Loading Test apparatus. Direct shear additional tests were performed to assess differences in increase cohesion and shear angle. The results show 174.90% increase in bearing capacity, 73.47% reduction in settlement, 300.64% increase in cohesion from the shear test, and  202.46% increase from the loading test. The shear angle increased by 56.34%, and the dry unit weight increased by 36.5%. ANOVA analysis with a p-value of 2.03 × 10⁻¹⁵ < 0.05 confirmed that the increase in bearing capacity was not due to random variation but to the EICP treatment. These findings demonstrate that EICP proves to be a viable technique to enhance sandy soil and contributes to advancing of bio-cementation based on organic materials as a sustainable solution.
Implementation of ChatGPT Training to Enhance Artificial Intelligence Literacy Among First-Year Dental Students Candra, Agata Iwan; Ali, Mahardi Kamalika Khusna; Tobing, Meyrinda; Gunawan, Ibnu; Indriyasari, Arini; Maharnindra, Dery; Rohmatin, Nur
Jurnal Pengabdian UNDIKMA Vol. 7 No. 2 (2026): May
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i2.17662

Abstract

This community service aims to enhance AI literacy among first-year dental students through a ChatGPT-based training program, resulting in improved understanding of AI concepts, practical skills in using ChatGPT, and critical awareness in assessing its outputs.. A total of 58 students participated, with effectiveness measured through a pre-test and post-test Likert-scale questionnaire covering five indicators: understanding of AI and ChatGPT, application in learning, technical skills, critical validation, and academic confidence. Results showed improvements in all indicators, with the highest increase in technical skills (56.08%) and the lowest in critical validation (29.77%). One-way ANOVA confirmed significant differences among indicators (F = 88.335, p < 0.05). These findings demonstrate that short training can effectively strengthen students’ AI literacy by improving knowledge, technical proficiency, and academic confidence. Nonetheless, the relatively lower gain in critical validation highlights the need for extended guidance in verifying ChatGPT outputs. This program can serve as a practical model for fostering digital literacy in higher education.
Microbially Induced Calcite Precipitation (MICP) Biostimulation Increases Slope Safety Factor on Low Plasticity Soils Ali, Mahardi Kamalika Khusna; Candra, Agata Iwan; Rayhansah, Rina Rebut
Rekayasa Sipil Vol. 20 No. 2 (2026): Rekayasa Sipil Vol. 20 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2026.020.02.2

Abstract

Low-plasticity clay (CL) soils are commonly found in tropical regions and generally have high water content, which reduces shear strength and lowers the slope safety factor (Fs). Conventional stabilization methods such as cement and fly ash are considered environmentally unfriendly because they produce high carbon emissions. Microbially Induced Calcite Precipitation (MICP) has emerged as a sustainable alternative for enhancing soil strength through the formation of biologically induced calcite. However, most previous MICP studies on slopes have focused on sandy soils, erosion control, and bioaugmentation. Therefore, it is necessary to investigate the application of Biostimulated MICP on high-moisture CL soils that represent tropical conditions and their relationship with slope Fs. This study aims to evaluate the effectiveness of biostimulated MICP on the stability of high-moisture CL soil slopes. Small-scale slopes were created in boxes with a 60° angle using the air pluviation method. The biostimulation solution used included urea, CaCl?, CH?COONa, NaOH, and sugarcane molasses to activate indigenous urease-producing bacteria. Testing included direct shear tests and slope-model loading tests with incubation times of 0 and 7 days. Fs analysis used an infinite-slope approach under steady-state seepage conditions. The results showed a 90.15% increase in cohesion and a 37.05% increase in internal friction angle, thereby increasing Fs to 88.72% after 7 days of MICP treatment. The results of the slope loading test showed a 105.41% increase in slope bearing capacity. These results indicate that the increase in cohesion and friction angle due to MICP is reflected in the slope's load-carrying capacity and in an increase in the Fs value. The findings indicate that biostimulated MICP has the potential as a sustainable slope stabilization technique and is suitable for tropical soil conditions.
Evaluasi Metode Meyerhof dan Schmertmann–Nottingham Berbasis CPT untuk Meningkatkan Reliabilitas Estimasi Qu Jarmiati Pinkan Ladiyana; Agata Iwan Candra
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.3164

Abstract

Differences in pile dimensions and layered soil geotechnical characteristics have the potential to reduce the accuracy of foundation bearing capacity estimation; therefore, a more accurate and verified calculation approach is required. This study evaluates the ultimate bearing capacity (Qu) based on Cone Penetration Test (CPT) data by comparing the Meyerhof method and the Schmertmann–Nottingham method for piles with diameters of 20 cm, 40 cm, and 60 cm at two test locations (S1 and S2). The evaluation results indicate that the Schmertmann–Nottingham method produces higher Qu values than the Meyerhof method for all pile diameter variations, with a very strong linear relationship between pile diameter and Qu, as indicated by the coefficient of determination (R2 >= 0.97). Statistical validation using ANOVA proves that both the calculation method and pile diameter have a significant effect on Qu, with pile diameter being the dominant factor in increasing the sensitivity and reliability of ultimate bearing capacity estimation based on CPT data.
KEMIRINGAN LERENG YANG TEPAT UNTUK MENCEGAH KELONGSORAN DI DESA BARENG KECAMATAN SAWAHAN KABUPATEN NGANJUK Pasya, Salman Alfaridh; Candra, Agata Iwan; Erwanda, Niko Andika; Fathurrohman, Nadi Rheiza; Qalby, Atsfiela Dzulkhan; Rohman Fauzy, Muhammad Rosyid Abdul; Mahendra, Prendy Eliya
Jurnal Riset Rekayasa Sipil Vol 7, No 2 (2024): Maret 2024
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jrrs.v7i2.85905

Abstract

Sawahan District is one of 25 sub-districts in Nganjuk Regency, East Java, Indonesia. Sawahan District has quite good agricultural and tourism potential. Recently, landslides have hit several areas in Nganjuk Regency, one of which is Sawahan District. The area has the potential for landslides because it is dominated by hilly areas with steep slopes and high rainfall intensity. The impact of this disaster included road access that was cut off between the village and the sub-district and the main road leading to the Sedudo Waterfall tour. This study aims to identify soil properties, soil consistency, shear angle, and slope safety factor. The method used is the Atterberg limit test, sieve analysis, soil shear strength, and slope stability calculations using the Bishop method. The test results show that the soil is classified as CL with low plasticity and shear angle, in wet soil it produces a shear angle value of 19.74° and an Fs value of 0.20 while in dry conditions it produces a shear angle value of 24.86° and an Fs value of 0.28. Based on the analysis it is suggested that the slope is 50° to achieve Fs 1.09. This research can be used as a basic reference for planning before construction is carried out and provides slope slope design recommendations for slope planning that is safe to prevent landslides.
Co-Authors Abidatul Izzah Aditia, Trio Syiwa Aditiya Yayang Nurkafi Afif Nur Rahmadi Afif Nur Rahmadi, Afif Nur Afriyan Arsya Sabilla Agung Guncoro Ahmad Ridwan Ahmad Ridwan Ahmad Ridwan Ahmad Ridwan Ahmad Ridwan Ahmada Khotibul Umam Aldri Frinaldi Alfaridh Pasya, Salman Alfina Iskindaria Altara, Jecksindio Elten Alvin Hidayat Amanda Rizky F Anasrudin Yusuf Andri Dwi Cahyono Annas Dwi Safi&#039;i Annas Dwi Safi'i April Gunarto April Gunarto April Gunarto Ardinata Ardinata Ariadi Santoso Ariadi Santoso, Ariadi Arif Fathur Rohman Arif Rivianto Arif Rivianto Arthur Daniel Limantara, Arthur Daniel Ashabul Yamin Bagas Naga Pratala Haryadi Bella Amiria Rahmahima Bima Mahardana, Zendy Budi Heryanto Budi Winarno Budi Winarno Candra Yulianto Dicko Mahendra Dikhy Ridho Laksono Dodi Setiawan Dwi Hartanto Dwi K, Mohamad Agus Dwifi Aprilia Karisma Dwifi Aprilia Kharisma Dwifi Aprillia Karisma Edy Gardjito, Edy Eko Andi Suryo Eko Siswanto Eko Siswanto Eko Winarti Elsa Rizqi Purwanti Erwanda, Niko Andika Evita Fitrianis Hidiyati Faiz Muhammad Azhari Fajar Romadhon Fajar Romadhon Fandra Andriansyah P Farikhatul Mufaidah Fathurrohman, Nadi Rheiza Fatkunada, Nur Addin Fauzie Nursandah Fauzie Nursandah Fauzy, Muhammad Rosyid Abdul Rohman Febrian, Bagas Fianca Nimas Yamada Puteri Fidyan Mamlu&#039;atul Husna Fitry Rahmawaty Fransesco Indra Permana Friska Windi Meira Aisyah Galang Santoso Hadi Mashuri Hanafi, Mohammad Abdul Aziz Hendy Hendy Hendy Henny Prasetiyo Heri Wahyudiono Herlan Pratikto Herlangga Duta Pramudya Hermawan Hermawan Heru, Rahmat Hidiyati, Evita Fitrianis Hikmatul Lailiya Husna, Nadiya Ibnu Gunawan Ilham Rizqi Nurdian Putra Imam Mustofa Imam Safi'i Indriyasari, Arini Jarmiati Pinkan Ladiyana Kavindo Yugiswara Hutama Khoirun Nisa' Ki Catur Budi Ki Catur Budi Ki Catur Budi S Krisdiyanto Nugroho Leo Agusta Utama Lin Sintyawati M Ilham Fauzil Fahmi Mahardi Kamalika Khusna Ali Mahardika Kamalika Khusna Ali Mahardika, Rega Maharnindra, Dery Mahendra, Prendy Eliya Malik Ibrahim Ma’rifatul Mumayyizah Meylinda Vricilia Mishbahul Aziz Moch Aminuddin Moch. Risjad Aldiansyah Mochamad Rizki Mochammad Danara Indra Pradigta Moh. Idham Cholid Moh. Ilham Farihi Mohamad Agus Fajar Wibowo Mohammad Roziq Muchammad Sutikno Mudinillah, Adam Muhammad Bahrudin Muhammad Feggi Saputra Muhammad Heri Nastotok Muhammad Heri Nastotok Muhammad Lutfi Amzari Muhammad Nasih Al hasbi Muhammad Ridho Muhammad Sulton Bahrudin Mukhammad Ibnul Mubarok Munawir, As'ad Nisa', Khoirun Nur Addin Fatkunada Nursandah, Fauzie Ogest Tegar Widyakrama Oktaviadi, Mohammad Reza Onie Wardani Pasya, Salman Alfaridh Pertiwi, Sheila Ananda Putri Putri, Yuzi Melia Adi Qalby, Atsfiela Dzulkhan Rahadi Reswara Rahmat Heru Rahmat Heru Rahmat Heru Supriyo Rahmat Heru Supriyo Rahmawati, Apriliya Laily Ramadhan Mahendra Ravie Setya Putra Rayhansah, Rina Rebut Rekso Ajiono Ricky Putra Ardianto Rikha Wirda Izzati Rina Dwi Fatika Rina Dwi Fatika Rivianto, Arif Rohman Fauzy, Muhammad Rosyid Abdul Rohmat Ilyas Kurniawan Rohmatin, Nur Roid Ahmad Faizin Romadhon Romadhon Romadhon, Fajar Rosyta, Heni Agnes Safi'i, Annas Dwi Safi'i, Imam Safi’i, Annas Dwi Saiful Muslimin Sari, Tiara Sherlyta Satria Arung Bangun Samodera Satria Febby Romaadhoni Sefiyanti, Redyka Sheila Ananda Putri Pertiwi Sigit Winarto Sigit Winarto Sigit Winarto Sigit Winarto Sony Santoso Sony Susanto Sri Wiwoho Mudjanarko, Sri Wiwoho Sudjati Sudjati Sudjati Sudjati Sugeng Yani Widodo Sulik Anam Sulik Anam Sulik Anam Sumargono Sumargono Sumargono Sumargono Sumargono Supriadi Supriadi Supriono Supriono Suwarno Suwarno Tiara Sherlyta Sari Tiok Kresna Aji TOBING, MEYRINDA Two Puji Guntur A Uminarsih Uminarsih Veithzal Rivai Zainal Vella Maulina Kris Putri Wahyu Agung Nugroho Wardani, Onie Widodo Restu Putra Widodo, Silvi Rushanti winarti, eko Wisnu Arganata Yosef Cahyo Yosef Cahyo Yosef Cahyo S Yosef Cahyo S.P Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Poernomo Yosef Cahyo Setianto Purnomo Yulvi Zaika Yusiane Saraswati Yuzi Melia Adi Putri Zaizafun Zakiya Zaizafun Zakiya Zakiya, Zaizafun Zendy Bima Mahardana