Sittisakpaiboon, Yotsakorn. “The Study of Phu Thai Dialect in Nangua and Guidelines for Teaching and Learning Management for Inheritance and Conservation for upper Secondary School”. Dhammathas Academic Journal 19, no. 1 (March 30, 2019): 79–88. accessed January 6, 2026. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/113933.