Narendra Kumar and Rajive Kumar, “Psychological Stress and its Relationship with Achievement of Science Students of Kendriya Vidyalayas”, jie, vol. 39, no. 2, pp. p. 44–50, Aug. 2013, Accessed: Aug. 23, 2025. [Online]. Available: http://ejournals.ncert.gov.in/index.php/jie/article/view/1353