PONGSA, Uraiwan, Pasuree LUMSAKUL, Orajit JAMESANG, Prasan SAENGKHIAO, Phoometh SANGRAYUB, and Wichai PUMCHAN. “Feasibility Study of Coconut Shell Biochar Production Using Community-Scale Biochar Kiln”. Journal of Metals, Materials and Minerals 33, no. 2 (June 27, 2023): 128–138. Accessed April 15, 2024. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1699.