PIRAT, P. N. Speaking Skill Development Through Conversation Exercises for Mattayom Suksa 3 Students of Buddha Kosai Wittaya School Phrae. Journal of Lanna Societies, [S. l.], v. 1, n. 1, p. 21–30, 2023. Disponível em: https://so13.tci-thaijo.org/index.php/jls/article/view/223. Acesso em: 16 sep. 2026.