MAKA, A. .; BURINPRAKHON, B.; SUKPAE, C. . Developing the skill of reading aloud diphthongs Thai language by using the skill exercises of secondary 1 students at Wapi Pathum school Wapi Pathum District Maha Sarakham Province. Rajamangala University of Technology Tawan-ok Social Science Journal, [S. l.], v. 12, n. 2, p. 1–9, 2023. Disponível em: https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/265676. Acesso em: 15 may. 2024.