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All Journal Jurnal Manajemen Pendidikan Research Horizon
Afif Fawa Idul Fata
Sekolah Tinggi Teknologi Wastukancana Purwakarta, Indonesia
Arts Humanities Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences

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Hybrid Demand-Based Goal Programming for Product Portfolio Optimization in B2B Lubricant Distribution Under Deadstock Risk Ghulam Ihsani Muflih Nahari; Priyo Ari Wibowo; Afif Fawa Idul Fata; Muhammad Ali Akbar
Research Horizon Vol. 6 No. 4 (2026): Research Horizon - Agustus 2026
Publisher : LifeSciFi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54518/rh.6.4.2026.1478

Abstract

The increasing complexity of B2B lubricant distribution requires purchasing decisions that simultaneously consider sales targets, profitability, and inventory risk. However, purchasing policies are often based solely on historical demand, resulting in inefficient product portfolios and increased deadstock risk. This study aims to develop a product portfolio optimization model by integrating goal programming, hybrid demand forecasting, and inventory risk analysis. A quantitative operations research approach was employed using sales, inventory, profitability, and customer relationship management data from a lubricant distributor in Indonesia. Hybrid demand was estimated by combining historical demand with CRM-based opportunity demand using an expected value approach, while inventory risk was evaluated through inventory ageing and reinforced by integrated FSN–XYZ–ABC classification. The optimization model successfully achieved the purchase volume target of 2,000 barrels, generated an optimal profit of IDR 931.31 million, and maintained deadstock purchase value within the company’s risk tolerance. Compared with actual purchasing practices, the proposed model reduced the proportion of purchase value allocated to non-moving products while improving profitability and working capital efficiency. These findings demonstrate that integrating goal programming with hybrid demand provides an effective decision-support approach for balancing multiple purchasing objectives and optimizing product portfolio management in B2B lubricant distribution.
ANALISIS PENGARUH SENIORITAS, PENDELEGASIAN TUGAS, DAN KEAMANAN KERJA TERHADAP PERILAKU KONTRAPRODUKTIF MELALUI ETOS KERJA PADA PT XYZ Cintya Afifah Khairunnisa; Priyo Ari Wibowo; Afif Fawa Idul Fata
Jurnal Manajemen Pendidikan Vol. 11 No. 4 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jmp.v11i4.3266

Abstract

Human resources are strategic assets that determine an organization's success in achieving its objectives. Counterproductive work behavior is one of the major issues that can reduce productivity, work quality, and organizational effectiveness. Several factors are assumed to influence counterproductive work behavior, including seniority, task delegation, job security, and work ethic. This study aims to analyze the effect of seniority, task delegation, and job security on counterproductive work behavior through work ethic at PT XYZ. This research employed a quantitative approach using the Structural Equation Modeling–Partial Least Squares (SEM-PLS) method with SmartPLS 4 software. The study involved 94 respondents selected through purposive sampling using a non-probability sampling technique. Data were collected using a Likert-scale questionnaire. The results indicate that seniority, task delegation, and job security have different effects on both counterproductive work behavior and work ethic. Work ethic also acts as a mediating variable in the relationship between the independent variables and counterproductive work behavior. The findings are expected to provide practical recommendations for improving employee work ethic and reducing counterproductive work behavior through more effective human resource management.
Co-Authors Cintya Afifah Khairunnisa Ghulam Ihsani Muflih Nahari Muhammad Ali Akbar Priyo Ari Wibowo