WASET
    Dongseok Cho and  Mitchell Driedger and  Sera Han and  Noman Khan and  Mohammed Elmorsy and  Mohamad El-Hajj,  Analyzing Factors Impacting COVID-19 Vaccination Rates.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2023, vol. 199(7). 421 - 432
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013172.