“Optimization of Hijab Production Profits for UMKM Saveer Hijab Using the CPLEX Application”. Journal of Industrial Engineering and Halal Industries 6, no. 1 (June 30, 2025): 1–6. Accessed January 30, 2026. https://ejournal.uin-suka.ac.id/saintek/JIEHIS/article/view/5287.