PEWPORCHAI, P.; BONGTONG, T. An Analysis of Prathom Ko Kaa Thai Textbook Collections of Chao Muan Srisorarak (M.R. Chit sudasna). Journal of Roi Kaensarn Academi, [S. l.], v. 6, n. 11, p. 332–349, 2021. Disponível em: https://so02.tci-thaijo.org/index.php/JRKSA/article/view/250592. Acesso em: 1 oct. 2026.