Fitratun Najizah, et al. “The Relationship Between Knowledge and Attitudes of Pregnant Women in RW 02, Sambiroto Village, Semarang, and the Risk of Transmission of COVID-19”. International Journal of Medicine and Health, vol. 1, no. 3, Dec. 2023, pp. 51-60, doi:10.55606/ijmh.v1i3.2542.