SINGSAWAT, P. A comparative Study of phonology and lexical words of Phuan in Nong Khai and Udon Thani, Thailand. Chophayom Journal, [S. l.], v. 28, n. 3, p. 80–87, 2017. Disponível em: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/107047. Acesso em: 28 apr. 2024.