Supapunt, P., Intanu, P., and Chaikampun, K. “Factors affecting farmers’ adoption of good agricultural practice in vegetable production in the upper North of Thailand”. International Journal of Agricultural Technology, vol. 17, no. 1, Jan. 2021, pp. 349-62, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5941.