Haider, F. ., and S. . Bhatti. “Impact of Covid-19 Lockdown on Engineering Education System; A Survey Based Case Study in Pakistan: Covid-19 Lockdown Pandemic and Pakistan’s Education”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, vol. 58, no. 3, Feb. 2022, pp. 43-48, doi:10.53560/PPASA(58-3)738.