Hira Ashfaq, Sabin Zafar, Sundas Dastagir, Bushra Kiran Naeem, Imrana Zulfikar, and Raheel Ahmed. “Perception of Covid-19 Vaccine Among Healthcare Workers in Pakistan and Saudi Arabia.”. JMMC, Vol. 12, no. 2, June 2022, pp. 139-44, doi:10.62118/jmmc.v12i2.228.