WILLHELMINA WAHARA. Covid 19 Prevention Education to Pregnant Mothers In The Sub-District of Medan Sunggal, Medan City in 2o22. International Journal of Community Service (IJCS), [S. l.], v. 1, n. 1, p. 66–71, 2022. DOI: 10.55299/ijcs.v1i1.123. Disponível em: https://ejournal.ipinternasional.com/index.php/ijcs/article/view/123. Acesso em: 14 may. 2025.