Suripto, Suripto, Supriyanto Supriyanto, Arif Sugiono, and Putri Irmala Sari. 2021. “Impact of Oil Prices and Stock Returns: Evidence of Oil and Gas Mining Companies in Indonesia During the COVID-19 Period”. International Journal of Energy Economics and Policy 11 (4):312-18. https://econjournals.com/index.php/ijeep/article/view/11290.