1.
Kusmayadi D, Abdullah Y, Firmansyah I. Analysis of Gas, Oil, and Coal Company Performance during Pandemic of Covid-19: A Case Study of Indonesia. IJEEP [Internet]. 2022 Jan. 19 [cited 2024 Nov. 24];12(1):23-31. Available from: https://econjournals.com./index.php/ijeep/article/view/11944