Mashhadi, Syed Fawad, Nazish Khan, Ibtesam Shaukat, Anees Saad, Ali Hassan Cheema, and Ali Jan Hassan. “Prevalence of Online Fatigue During COVID-19: A Cross-Sectional Study on Academicians of Rawalpindi”. Pakistan Armed Forces Medical Journal 72, no. SUPPL-4 (December 12, 2022): S879–83. Accessed December 1, 2023. https://pafmj.org/PAFMJ/article/view/9684.