Supriyanto S, Alexandri MB, Kostini N, Dai RM. Impact of Oil Prices and Stock Returns: Evidence of Oil and Gas Mining Companies in Indonesia During the Covid-19 Period. IJEEP [Internet]. 2021 Nov. 3 [cited 2024 Nov. 15];11(6):471-8. Available from: https://econjournals.com./index.php/ijeep/article/view/11832