Maneekhat, C., T. Khamdaeng, N. Panyoyai, T. Wongsiriamnuay, and P. Yeunyongkul. “Thermal Characteristics of Anila-type Biochar Kiln and Factors Affecting Biochar Production”. RMUTL Engineering Journal, vol. 7, no. 2, Dec. 2022, pp. 1-9, doi:10.14456/rmutlengj.2022.7.