Lao-An, Thitiya. “Entrepreneurial Networking: Tractor and combine harvester in Thung Kula Rong Hai”. Journal of Social Sciences, Chiang Mai University 38, no. 1 (June 26, 2026): 114–143. accessed September 10, 2026. https://so04.tci-thaijo.org/index.php/jss/article/view/286551.