Mudaharimbi, Erinka Pricornia. 2021. “Self-Efficacy of Primigravida Working Mothers in the Success of Breastfeeding”. Jurnal Promkes: The Indonesian Journal of Health Promotion and Health Education 9 (1):28-35. https://doi.org/10.20473/jpk.V9.I1.2021.28-35.