Kundaryanti, R. et al. 2021. The Relationship Between Knowledge And Attitude Towards The Preventive Behaviors For The Covid-19 Transmission In Pregnant Mothers At “Rini K” Independent Midwifery Practice (PMB), Jagakarsa, South Jakarta, 2021. STRADA : Jurnal Ilmiah Kesehatan. 10, 2 (Nov. 2021), 1480–1486. DOI:https://doi.org/10.30994/sjik.v10i2.851.