Mustafa, Sabirin, and Shariff Ibrahim. “Thermal and Physical Properties of Briquette Fuels from Coconut Shells and Cocoa Shells”. Bioresources and Environment 1, no. 3 (October 30, 2023): 45–53. Accessed June 10, 2026. https://bioenvuitm.com/index.php/en/article/view/39.