Mani, C., H. K. Jha, and V. K. Chaudhary. “Assessment of Mental Stress Among Medical Undergraduate Students of a Tertiary Health Care Centre of Bihar, India”. International Journal of Health and Clinical Research, vol. 4, no. 6, Apr. 2021, pp. 12-14, https://ijhcr.com/index.php/ijhcr/article/view/1170.