Tazeen Shah1, Jamshed Warsi2, Benazir Mahar3, Farheen Shaikh4, Shafaq Ansari5, Sikandar Ali Sial6, “COVID-19 AND THE CHALLENGES OF E-LEARNING IN, SINDH PAKISTAN”, JPUMHS, vol. 11, no. 2, pp. 43–47, Jun. 2021.