Pongthornpruek, Supaporn. “The Utilization of Cashew Shell Residues and Grease Waste for Charcoal Briquette Production”. Applied Environmental Research 39, no. 1 (March 6, 2017): 33–40. Accessed May 18, 2024. https://ph01.tci-thaijo.org/index.php/aer/article/view/63639.