Shafqat Huma, Muhammad Fahim Qasim, Muhammad Asif Kamal, Fatima Aamir Khan, Nadia Naveen 2023. Frustration Intolerance, Self-Efficacy and Sleep Quality in Medical Students During Pandemic of Covid-19. Pakistan Journal of Medical & Health Sciences. 17, 01 (Mar. 2023), 604. DOI:https://doi.org/10.53350/pjmhs2023171604.