Sathuphan, Theera, Prayong Thitithananon, and Suwat Banlue. 2022. “Development of Learning Tracking Systems of Online Computer Programming”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 17 (1):191-202. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/254365.