Etik Khusniyati, and Heni Purwati. “Analysis of Breastfeeding Self-Efficacy (BSE) in Breastfeeding Mothers”. Journal of Scientific Research, Education, and Technology (JSRET), vol. 3, no. 1, Jan. 2024, pp. 139-45, doi:10.58526/jsret.v3i1.327.