A. Saghir, Sumiaya Kausar, F. Sohail, and A. Bilal, “Covid-19 Vaccine Hesitancy and Its Associated Factors among Health Care Workers of Islamabad”, Pak J Public Health, vol. 12, no. 4, pp. 168–171, Dec. 2022, doi: 10.32413/pjph.v12i4.1115.