Shafqat Huma, Muhammad Fahim Qasim, Muhammad Asif Kamal, Fatima Aamir Khan, Nadia Naveen. “Frustration Intolerance, Self-Efficacy and Sleep Quality in Medical Students During Pandemic of Covid-19”. Pakistan Journal of Medical & Health Sciences 17, no. 01 (March 9, 2023): 604. Accessed November 13, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/4096.