Nasrah, Nasrah, Qoriah Nur, Blestina Maryorita, and Rita Evalina Butar-Butar. 2022. “Relationship Between Knowledge Level and Mother’s Attitude to Basic Immunization for Infants 9-12 Months at North Jayapura Health Center”. Science Midwifery 10 (5):3784-90. https://doi.org/10.35335/midwifery.v10i5.856.