C. Maneekhat, T. Khamdaeng, N. Panyoyai, T. Wongsiriamnuay, and P. Yeunyongkul, “Thermal Characteristics of Anila-type Biochar Kiln and Factors Affecting Biochar Production ”, RMUTL.Eng.J., vol. 7, no. 2, pp. 1–9, Dec. 2022.