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. PJER [Internet]. 2021 Mar. 31 [cited 2025 Oct. 30];4(1). Available from: https://pjer.org/index.php/pjer/article/view/174