Wijaya, Mohammad, Gustan Pari, dan Amal. “Characteristic and Chemical Compound of Charcoal Cocoa Wasted by Pyrolysis Process”. Al-Kimia 12, no. 1 (Juni 30, 2024). Diakses April 23, 2025. https://journal.uin-alauddin.ac.id/index.php/al-kimia/article/view/46588.