Muslim D, Sarfraz M, Azad M ud D, Zahra A, Touseef SA. 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. HNJSS. 2022;3(3):43-56. doi:10.71016/hnjss/prd4dq87