Ruoya Huang and  Ruoxian Huang and  Edgar Huang,  Social Influences on Americans' Mask-Wearing Behavior during COVID-19.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2021, vol. 173(5). 540 - 548
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/10012012.