Wildan, Muhammad Alkirom, Mochamad Ali Imron, Endang Siswati, and Siti Rosyafah. 2020. “Macroeconomic Factors Affecting Natural Gas Export Management”. International Journal of Energy Economics and Policy 11 (1):639-44. https://mail.econjournals.com/index.php/ijeep/article/view/9911.