Suppayasan, Panida, Damrong Thandee, Saovakon Sudsawasd, and Nithet Tinnakul. 2021. “Driving Forces in the Implementation of Agricultural Extension Policy: A Case Study of Participating and Non-Participating Agriculturalists in a Complete Production Cycle of the Organic Rice Development and Promotion Project in the Central Region of Thailand”. Ph.D. In Social Sciences Journal 11 (2):480-92. https://so05.tci-thaijo.org/index.php/phdssj/article/view/180254.