Negi, Anjali, and Kanwaljit Kaur. “The Extent of Perceived Stress Among Undergraduate and Postgraduate Students of Selected State Agricultural Universities (SAUs) of Northern India”. International Journal of Bio-Resource and Stress Management, vol. 13, no. Jul, 7, July 2022, pp. 743-9, https://ojs.pphouse.org/index.php/IJBSM/article/view/4275.