Wongwattananukui , Sutinee. “The Development of Mandarin Tonal Pronunciation Skills of Chinese Language Course Students For Communication Through Task-Based Learning”. LAWARATH SOCIAL E – JOURNAL 2, no. 3 (December 29, 2020): 29–44. Accessed May 7, 2024. https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/246265.