Sunarti, N. et al. 2026. Effectiveness of Nipple Puller in Flat Nipples among Postpartum Cesarean Section Mothers: A Case Study: Nina Sunarti, Wanda Diasti Ningrum, Joao Manuel Correia Ximenes . Jurnal Persada Husada Indonesia. 13, 1 (Mar. 2026), 43–51. DOI:https://doi.org/10.56014/jphi.v13i1.470.