Chumphong, Oothsuma, and Piyapat Chuai-in. “The Use of English Language in Tourism Workplaces in Pakmeng Beach Area, Trang Province”. ABAC ODI JOURNAL Vision. Action. Outcome 7, no. 1 (January 28, 2020): 132-144. Accessed March 27, 2025. http://www.assumptionjournal.au.edu/index.php/odijournal/article/view/4029.