Senarat, S., Benjamaporn Senarat, and Pisit Pinitsakul. “Factors Affecting Cumulative Grade Point Average of Student Teachers”. Ubon Ratchathani Journal of Research and Evaluation, vol. 9, no. 2, Dec. 2020, pp. 119-2, https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/243521.