Emil R. Kaburuan, J. L. “Evaluation of User Experience on Digital Learning Platform Website Using System Usability Scale (Case Study: Pijar Mahir)”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 6, Apr. 2021, pp. 1595-06, https://turcomat.org/index.php/turkbilmat/article/view/2735.