Bogoviz, Aleksei V., Yulia V. Ragulina, Svetlana V. Lobova, and Alexander N. Alekseev. “A Quantitative Analysis of Energy Security Performance by Brazil, Russia, India, China, and South Africa in 1990-2015”. International Journal of Energy Economics and Policy 9, no. 3 (April 8, 2019): 244–250. Accessed November 21, 2024. https://econjournals.com/index.php/ijeep/article/view/7585.