Ploykaew, Pornsawan, and John Draper. “A Pilot Project for Integrating Thai Noi Orthography into the Formal Education Curriculum for Isan Development”. Journal of Mekong Societies 1, no. 1 (August 1, 2013): 135–159. Accessed May 5, 2024. https://so03.tci-thaijo.org/index.php/mekongjournal/article/view/10647.