Muslim, Darakhshan, Maryam Sarfraz, Mueen-ud-Din Azad, Arooj Zahra, and Syeda Aneeqa Touseef. 2022. “Problems and Difficulties Faced by Conventional University Teachers As a Result of Shifting from Face-to-Face to Virtual Teaching Mode During the Covid-19 Pandemic: An Empirical Evidence from Lahore”. Human Nature Journal of Social Sciences 3 (3): 43-56. https://doi.org/10.71016/hnjss/prd4dq87.