WETCHAKAMA, M.; TANUNCHAIBUTRA, P. The development of Vietnamese language supplementary courses in daily life for improvement of speaking ability using the 3ps approach to language teaching for grade 9 students . Journal for Developing the Social and Community , Bangkok, Thailand, v. 10, n. 1, p. 727–742, 2023. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/261753. Acesso em: 2 sep. 2026.