Chaichinda, Natthakrit, and Phakamas Jirajarupat. 2019. “The Essence Fon Thai Phuan in Udon thani”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 7 (1):154-65. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/189956.