Tudsri, S., Watkin, B., Chu, A., & Forde, B. (2001). From Indigenous Technology to Modern Technology in Rice Farming : a Reflection on Farmers’ Adaptations in the Central Plain. Kasetsart Journal of Social Sciences, 22(1), 1–13. retrieved from https://so04.tci-thaijo.org/index.php/kjss/article/view/243503