Saleh, Basuki Rahmad, Irdam Ahmad, Herlina Juni Risma Saragih, Agus Adriyanto, and Susanna Renna Ertanti. “Analysis of the Impact of Mineral and Coal Downstreaming Policy on Global and National Economies: A GTAP Approach”. Journal La Sociale 7, no. 3 (June 18, 2026): 940-952. Accessed June 30, 2026. https://newinera.com/index.php/JournalLaSociale/article/view/3249.