See Soo Yin, and Arifuddin Abdullah. “LEARNERS’ ATTITUDES, PERCEPTIONS, AND EFFORTS TOWARDS MANDARIN AS A FOREIGN LANGUAGE COURSE”. Researchers World - International Refereed Social Sciences Journal 5, no. 4 (September 8, 2021): 38–47. Accessed August 5, 2025. https://www.researchersworld.com/index.php/rworld/article/view/825.