Ibrahim, Hilmi Rahman, and Darul Fikri Fadillah. “INDONESIAN COAL EXPORT TO JAPAN: INTERNATIONAL POLITICAL ECONOMIC REVIEW PERIOD 2010 - 2015”. Journal of Social Political Sciences 2, no. 2 (May 29, 2021): 157-175. Accessed April 25, 2024. https://e-journal.unas.ac.id/jsps/article/view/56.