Pipatpongumpai, Arthitiya, Tatre Jantarakolica, Korbkul Jantarakolica, Woraphon Wattanatorn, Thanomsuk Suwannoi, and Massaporn Cheuathonghua Massaporn Cheuathonghua. “Factors Influencing the Purchase Intention of Online Learning Courses”. Journal for Developing the Social and Community 9, no. 3 (December 27, 2022): 223–240. accessed April 16, 2025. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/259075.