Butnan, Somchai, Jonathan L. Deenik, Banyong Toomsan, and Patma Vityakon. “Biochar Properties Affecting Carbon Stability in Soils Contrasting in Texture and Mineralogy”. Agriculture and Natural Resources 51, no. 6 (December 31, 2017): 492–498. Accessed March 29, 2024. https://li01.tci-thaijo.org/index.php/anres/article/view/239465.