Indupurnahayu, I., Setiawan, E. B., Agusinta, L., Suryawan, R. F., Ricardianto, P., Sari, M., Mulyono, S., & Sakti, R. F. J. (2021). Changes in Demand and Supply of the Crude Oil Market During the COVID-19 Pandemic and its Effects on the Natural Gas Market. International Journal of Energy Economics and Policy, 11(3), 1–6. Retrieved from https://www.econjournals.com/index.php/ijeep/article/view/10671