Dewi, R., Widowati, R. and Indrayani, T. 2020. Pengetahuan dan Sikap Ibu Hamil Trimester III terhadap Pencegahan Covid-19. Health Information : Jurnal Penelitian. 12, 2 (Dec. 2020), 131–141. DOI:https://doi.org/10.36990/hijp.v12i2.196.