Rungcharoen J, Hungspreug S, Pleumpanya S, Insalud N. Improvement of Local Rice Productivity in the Thai Highland Areas. Environ. Nat. Resour. J. [internet]. 2014 Dec. 29 [cited 2026 Sep. 18];12(2):18-23. available from: https://ph02.tci-thaijo.org/index.php/ennrj/article/view/71201