Kratupunya, Pimchanok, Pirada Chairatana, and Srirath Gohwohg. 2021. “Factors Correlate to Farmers’ Indebtedness in Suwannaphum District, Roi Et Province”. Journal of Modern Learning Development 6 (3):250-65. https://so06.tci-thaijo.org/index.php/jomld/article/view/247885.