Hareem Syed, Amara Zafar, Maheen Khan, and Alina Mohib. “Association of Self-Reported Happiness With Sociodemographic Factors and Personal Habits Amongst Students in a University in Karachi”. Journal of the Pakistan Medical Association 71, no. 1 (September 28, 2020): 341–344. Accessed May 1, 2026. https://jpma.org.pk/index.php/public_html/article/view/1428.