Maneesri, Ekkasit. 2020. “Tai Dan Sai: Vocabulary Tai Dan Dialect is Different from Tai Loei Dialect, Tai Lom Dialect, Tai Ae Dialect and other Isan Dialect”. Research and Development Journal, Loei Rajabhat University 16 (55):25-35. https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/244861.