S. Algumiri, M. Shaher, F. Mahdi, and M. Aleriani, “Knowledge, Attitude & Practice Toward Corona Virus Infection among Pregnant Women Attending Antenatal care at public hospitals in Sana’a-Yemen”, Journal of 21 September university, vol. 5, no. 1, pp. 16–23, May 2026, doi: 10.65693/j21umas.2026.v5i1.216.