Phiraphatphong, Sawitree, Tipaporn Sujaree, and Darunnapa Nachairit. “Development of Mandarin Chinese Listening-Speaking Ability Using Role-Play Activities Combined with Vocabulary Exercises of Grade 9 Students in the Foreign Languages Learning Area (Chinese)”. Journal of Education Rajabhat Maha Sarakham University 23, no. 1 (April 30, 2026): 111–120. accessed September 22, 2026. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/284921.