Muhmmad Umair Sohail, Muhmmad Umair Sohail, Hina Munir, Obaid Aslam, and Khizar Hayat,. “Covid-19 Vaccination in Pakistan: Challenges and Priorities”. Elementary Education Online 20, no. 5 (December 19, 2023): 3938–3941. Accessed January 5, 2025. https://ilkogretim-online.org/index.php/pub/article/view/6011.