Rahayu, Della Putri, M Arif Musthofa, Hasna Dewi, and Erwina Kartika Devi. “Charcoal from Coconut Shells: An Innovation in Agricultural Waste Management for Local Economic Development”. Journal of Economics and Social Sciences (JESS) 4, no. 2 (August 1, 2025): 592–599. Accessed March 1, 2026. https://journal.civiliza.org/index.php/jess/article/view/874.