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Analisis Teori Penawaran dalam Ekonomi Manajerial: Suatu Systematic Literature Review Annisa Hellena Silvi Kuattami; Supriyanto .
Jurnal Ekonomi dan Bisnis Digital Vol. 3 No. 4 (2026): April - Juni
Publisher : CV. ITTC INDONESIA

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Abstract

This research aims to analyze various theoretical and empirical approaches regarding the theory of supply from a managerial economics perspective thru the Systematic Literature Review (SLR) method with the PRISMA approach to analyze the theory of supply from a managerial economics perspective. Thru the selection of 30 articles from reputable databases, this study identifies that the supply function is significantly influenced by output prices, input costs, technology, the number of producers, and price expectations. The findings indicate that supply elasticity is a crucial indicator for managers in capacity decision-making and pricing. However, there is a research gap because the majority of studies are still partial. The novelty of this research lies in the integrative synthesis between classical theory and modern industrial dynamics, including the manufacturing and digital sectors. The research results provide practical implications for managers, particularly in developing industrial areas such as Bekasi, to make production decisions that are more efficient, adaptive, and sustainable in facing market fluctuations holistically.
Implementasi Six Sigma dalam Pengendalian Defect Product pada Engine Assembly Line PT XYZ Restu Faidin; Supriyati Supriyati; Supriyanto Supriyanto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58646

Abstract

This study aims to analyze and reduce oil leakage defects in the Oil Leak Test process at the Engine Assembly Line of PT XYZ using the Six Sigma method with the DMAIC (Define, Measure, Analyze, Improve, Control) approach. Research data were collected from May to October 2025 with a total production of 73,644 units and 381 defects identified. The measurement results showed a Defects Per Million Opportunities (DPMO) value of 398 with a sigma level of 4.85. Pareto analysis indicated that the dominant defect occurred in the damper pulley area. Fishbone analysis identified defect causes related to human, machine, method, material, and environmental factors. Improvement actions included torque wrench interlock implementation, automatic air blow installation, additional component inspection, and material protection. After implementation, the DPMO decreased to 208 and the sigma level increased to 5.03. The results indicate that the Six Sigma method effectively improves the quality of the Oil Leak Test process.
Analisis Kerja Ergonomi dengan Metode REBA pada Pemasangan Spark Plug di PT XY Tofa Luwih Apriandi; Supriyati Supriyati; Supriyanto Supriyanto
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.59327

Abstract

This study aims to evaluate the ergonomic risk level in the spark plug installation process at PT XY to identify musculoskeletal complaints and provide recommendations for improvement. The Nordic Body Map method was used to identify areas of the body experiencing complaints, while the Rapid Entire Body Assessment was used to evaluate the risk level of work posture. The results revealed that the most complaints were found in the wrists, neck, back, and arms. An initial REBA score of 13 indicated a very serious risk level, requiring immediate corrective action. Proposed improvements were made through changes to the work layout by bringing the rack closer and eliminating excessive bending activities. After improvements were made, the REBA score decreased to 3, which indicates a relatively low risk level. Thus, ergonomic improvements have been proven to increase comfort and reduce the potential for work injuries in spark plug installation operators.
Sistem Informasi Keamanan Kunci Pintu Pintar Berbasis Internet of Things Notifikasi Real-Time Berbasis WhatsApp Kaleb Suy; Sufajar Butsianto; Supriyanto
Bulletin of Computer Science Research Vol. 5 No. 5 (2025): August 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v5i5.720

Abstract

Security remains a primary concern in domestic and marketable structures, especially as conventional door cinches come decreasingly vulnerable to duplication and forced access. This study presents the design and perpetration of a smart door lock security system grounded on Internet of Things and Radio frequence Identification technologies. The main ideal is to give a real- time, ever controlled locking medium integrated with a mobile- grounded messaging platform. The development process adopts the nimble methodology, which promotes inflexibility, responsiveness to stoner feedback, and rapid-fire replication in software and tackle integration. The tackle armature utilizes ESP32 and Arduino Nano microcontrollers to manage essential factors, including RFID compendiums, relays, buzzers, solenoid cinches, LED and LCD as display module. On the software side, the system incorporates a pall connected messaging operation to deliver real- time announcements to druggies, including cautions for unauthorized access attempts, successful entries, and low battery warnings. Data communication between the microcontrollers is enforced via periodical protocol, while the commerce with the messaging service is established using the HyperText Transfer Protocol. Testing involved colorful scripts including valid access, unrecorded card attempts, and remote commands. The testing scenario uses three RFID cards and a WhatsApp chatbot, with one card as the master and the other two as access cards, with each card undergoing three trials. Results demonstrate a high success rate in card discovery and command prosecution with an average system response time below one second. The system also allows druggies to register and remove access cards via a master card medium, which enhances usability and control. This exploration contributes a low- cost, customizable, and effective security result suitable for smart homes, boarding houses, and small- scale marketable parcels. It shows the feasibility of integrating open- source microcontrollers with everyday messaging tools to achieve effective, real- time home security. The proposed system provides a foundation for unborn exploration in combining internet grounded control systems with biometric detectors or machine literacy grounded access analytics such as developing a separate mobile application so that it does not use third-party applications, allowing users to obtain more accurate feedback through door leaf detector sensors.
Sosialisasi dan Pencantuman Informasi Nilai Gizi Pada Produk Stik Mangrove UMKM Kebaya, Desa Pantai Bahagia, Muara Gembong, Bekasi. Anita Suri; Supriyanto Supriyanto; Putri Nabila Adinda Adriansyah; Yusuf Irfan; Dina Harlenci Fina
Jurnal Pelita Pengabdian Vol. 2 No. 1 (2024): Januari 2024
Publisher : DPPM Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jpp.v2i1.2666

Abstract

Mangrove merupakan salah satu tanaman yang khas karena tumbuh di daerah pantai serta memiliki banyak manfaat untuk menjaga ekosistem perairan antara laut, pantai dan darat. UKM Kebaya atau Kelompok Bahagia Berkarya merupakan produsen yang mengolah buah mangrove menjadi berbagai produk olahan pangan, terletak di Desa Pantai Bahagia, Kecamatan Muaragembong, Kabupaten Bekasi, Jawa Barat. Pencantuman nilai gizi juga merupakan salah satu syarat wajib pada kemasan produk pangan sesuai dengan peraturan BPOM. Kegiatan pengabdian masyarakat telah berlangsung pada 31 Agustus 2023 dan berlokasi di Desa Pantai Bahagia, Muaragembong, Bekasi. Hasil dari uji kandungan nutrisi dengan menggunakan metode yang berbeda menunjukkan kandungan lemak total, protein, karbohidrat total, gula total dan natrium pada Stik Mangrove secara berurutan adalah 25,60%, 10,77%, 58,54%, 2,36% dan 2530 ppm. Hasil kandungan nutrisi menunjukkan persentase kandungan tertinggi adalah pada karbohidrat yaitu 58,54%. Pencantuman Informasi Nilai Gizi (ING) pada kemasan stik mangrove sehingga kemasan dapat memenuhi Pemerintah (PP) No. 69 tahun 1999 tentang Label dan Iklan Pangan.
Meningkatkan Peran Industri dalam Pengelolaan Utang dan Penanganan Global Warming Sunita Dasman; Supriyanto Supriyanto; Fiqih Maria; Erin Soleha; Indra Setiawan
Jurnal Pelita Pengabdian Vol. 3 No. 1 (2025): Januari 2025
Publisher : DPPM Universitas Pelita Bangsa

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Abstract

The industry plays a central role as the primary driver of the global economy and has significant potential to reduce carbon emissions through technological innovation, energy efficiency, and transitioning to a low-carbon economy. However, financial challenges often become major obstacles in realizing technological innovation transformation. Wise debt management is necessary to ensure the operational sustainability of industries while supporting investments in green initiatives. The initial situational analysis required includes: 1) Identifying the company’s debt profile and repayment capacity, 2) Conducting an inventory of greenhouse gas (GHG) emissions generated by industrial operations, 3) Structuring opportunities for the use of renewable energy and low-carbon technologies. Companies need to establish internal policies to redirect debt refinancing to instruments that support sustainability, such as green bonds or sustainability-linked loans. They should also set carbon emission reduction targets for the short, medium, and long term. Optimizing the use of a "Green Crowdfunding Platform" that connects companies with investors interested in funding environmentally friendly projects through application-based technology is crucial. Environmental management requires the involvement of all stakeholders, including the government, industry, academics, communities, and the media.
Mangroves as Coastal Buffer Systems: Analysis of Ecological Functions and Degradation Dynamics Supriyanto; Dodit Ardiatma
Journal of Smart Agriculture and Environmental Technology Vol. 4 No. 2 (2026): August 2026
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2026.4.2.97-104

Abstract

Mangrove ecosystems function as critical coastal buffer systems that provide ecological, physical, and socio-economic benefits. However, increasing anthropogenic pressures have accelerated mangrove degradation, particularly in vulnerable coastal regions such as Muara Gembong, Bekasi. This study aims to analyze the ecological functions of mangroves, identify the drivers and dynamics of degradation, and assess their implications for coastal vulnerability using a qualitative Systematic Literature Review (SLR) based on the PRISMA framework. A total of 1,860 records were initially identified, with 160 studies selected for final synthesis after a rigorous screening process. The results indicate that mangroves play a crucial role in supporting biodiversity, regulating nutrient cycles, storing blue carbon, and attenuating wave energy while stabilizing shorelines. However, these functions have significantly declined due to land-use conversion, particularly for aquaculture, along with socio-economic pressures and environmental dynamics. This degradation has increased coastal vulnerability, manifested in erosion, tidal flooding, and reduced community resilience. This study demonstrates that mangrove degradation is a multidimensional socio-ecological process and proposes an integrated analytical framework linking ecological functions,  degradation dynamics, and coastal vulnerability. This framework provides a conceptual foundation for strengthening sustainable coastal management strategies in tropical regions.