Nak-ai, Worayuth, Uthaithip Jiawiwatkul, Lakkhana Temsirikulchai, and Kitipat Nontapattamadul. “Healthy public policy process in ethnic groups: A qualitative study”. Kasetsart Journal of Social Sciences 42, no. 3 (July 31, 2021): 661–667. accessed December 8, 2025. https://so04.tci-thaijo.org/index.php/kjss/article/view/253499.