Sari, Febriana Sari, and Fitriyani S Yoga. “Relationship of Knowledge of Breastfeeding Mothers With Attitude to the Provision of the Covid-19 Vaccine at Puskesmas Bintang Aceh Central Regency Year 2022”. Science Midwifery, vol. 10, no. 4, Nov. 2022, pp. 3465-8, doi:10.35335/midwifery.v10i4.855.