Handayani, Wiwik, and Syahda Elma Rabihah. “Risk Mitigation in Supply Chain Management Process: Procurement Using House of Risk Method at PT. Pertamina EP Asset 4”. Jurnal Siasat Bisnis 26, no. 1 (December 22, 2021): 70–84. Accessed November 21, 2024. https://journal.uii.ac.id/JSB/article/view/20245.