Phakakat, Suphamart, and Sirirat Petsangsri. “Development of a Service-Learning Model Based on Blended Learning Method to Enhance Critical Thinking for Students in Higher Education”. Scholar: Human Sciences 13, no. 1 (May 28, 2021): 164-175. Accessed July 19, 2024. http://www.assumptionjournal.au.edu/index.php/Scholar/article/view/5455.