Usama Baig, Mirza Muhammad, Yousaf Ali, and Obaid Ur Rehman. “Enhancing Resilience of Oil Supply Chains in Context of Developing Countries”. Operational Research in Engineering Sciences: Theory and Applications 5, no. 1 (March 21, 2022): 69–89. Accessed September 18, 2024. https://oresta.org/menu-script/index.php/oresta/article/view/190.