R. Yadav, S. Mukhopadhyay, and S. K. Yadav, “Evaluation of tutor performance in problem based learning: rating the skill on students perspective”, JCMC, vol. 10, no. 4, pp. 96–99, Dec. 2020, Accessed: Jul. 16, 2026. [Online]. Available: https://www.nepjol.info/index.php/JCMC/article/view/33473