SANGSIKAEW, C.- am. Problems and Suggestions to Improve Chinese Pronunciation Skills for High School Students and Undergraduate Students who Study Chinese as A Second Language. Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 6, n. 1, p. 373–382, 2019. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211901. Acesso em: 3 may. 2024.