Porkar, Patthanan, Wimon Sonchaem, Raywadee Roachanakanan, and Rungjarat Hutacharoen. “Improvement of the quality and precision of biomass and carbon equations: case study of mixed-deciduous degraded forest of Thailand”. Environment and Natural Resources Journal 9, no. 2 (April 7, 2017): 39–47. accessed October 7, 2026. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/82477.