Tanzeela Yaqoob ,Imran Hameed Khaliq ,Faraz Ahmed Farooqi. “Assessment of Knowledge, Attitude and Practices of Covid-19 Among Teachers and Students of Karachi, Lahore and Islamabad”. Pakistan Journal of Educational Research, vol. 4, no. 1, Mar. 2021, doi:10.52337/pjer.v4i1.174.