Suherman, Nurhidayah, and Abdullah Syakur Novianto. “Procurement Management Strategy for Zinc Ingots Based on LME Price Volatility: Achieving Cost Reduction Targets and Optimizing Operational Performance in the Hot-Dip Galvanizing Industry”. Al-Kharaj: Journal of Islamic Economic and Business 8, no. 3 (July 7, 2026). Accessed July 8, 2026. https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/11465.