Nasution, H. S., & Fithriani. (2022). The Relationship between Covid-19 Pandemic Anxiety and Expenditures for Postpartum Mother’s Breastfeeding at the Air Joman Baru Sub-Health Center, Air Joman District, Asahan Regency Year 2021. Science Midwifery, 10(5), 3748–3758. https://doi.org/10.35335/midwifery.v10i5.923