S. Hagag, A. B. Kassem, N. A. El-Bassiouny, S. M. Okda, and M. M. A. R. Mohammed, “Knowledge, Attitude, and Practices Regarding Preventive Measures of COVID-19 Pandemic during Ramadan 2020 and Quarantine in Some Egyptian Governorates”, Open Access Maced J Med Sci, vol. 10, no. E, pp. 581–586, Jan. 2022.