Kanokrat Khemanuwong และ Amnat Chidthaisong. (2014) Greenhouse Gas Mitigation Cost of Biochar Application to Soil. King Mongkut’s University of Technology Thonburi:ม.ป.ท.Kanokrat Khemanuwong และ Amnat Chidthaisong. 2014. Greenhouse Gas Mitigation Cost of Biochar Application to Soil. ม.ป.ท.:King Mongkut’s University of Technology Thonburi;Kanokrat Khemanuwong และ Amnat Chidthaisong. Greenhouse Gas Mitigation Cost of Biochar Application to Soil. ม.ป.ท.:King Mongkut’s University of Technology Thonburi, 2014. Print.