Ling, Muqi, and Ngamthip Wimolkasem. “Factors That Motivate Chinese Tour Guides and Thai Tour Guides When Learning The English Language ”. ABAC ODI JOURNAL Vision. Action. Outcome 10, no. 2 (April 5, 2023): 223-241. Accessed June 6, 2025. https://assumptionjournal.au.edu/index.php/odijournal/article/view/6757.