Selvakkumaran, Sujeetha, and Bundit Limmeechokchai. “Assessment of Energy Security of an Energy Import-Dependent Country: a Case Study of Sri Lanka”. Science & Technology Asia 17, no. 1 (October 20, 2015): 54–67. accessed April 5, 2025. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41190.