Ariyawong, Onnicha, and Thanawan Phongsatha, PhD. “The Student’s Self-Designed Learning Activities Influencing Their Learning Achievement: A Case Study of an English Tutorial Center in Krabi”. ABAC ODI JOURNAL Vision. Action. Outcome 4, no. 2 (August 21, 2017): 28. Accessed April 28, 2024. http://www.assumptionjournal.au.edu/index.php/odijournal/article/view/2598.