Tangsripoolphon, Phumnawat, and Chanida Jittaruttha. 2021. “Civic Culture Administration to Push Forward Identity Ethnic of ‘Tai Song Dum’ in Thailand”. Rajapark Journal 15 (42). Bangkok, Thailand:368-83. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/253316.