Nahari, Ghulam Ihsani Muflih, Priyo Ari Wibowo, Afif Fawa Idul Fata, and Muhammad Ali Akbar. 2026. “Hybrid Demand-Based Goal Programming for Product Portfolio Optimization in B2B Lubricant Distribution Under Deadstock Risk”. Research Horizon 6 (4):1717-28. https://doi.org/10.54518/rh.6.4.2026.1478.