Application of Endorphin, Oxytocin, and Sugestive (Speos) Massage Stimulation Method to Increase Breast Milk. JPK : Jurnal Proteksi Kesehatan, [S. l.], v. 14, n. 2, p. 112–118, 2025. Disponível em: https://jurnal.pkr.ac.id/index.php/JPK/article/view/1071. Acesso em: 25 may. 2026.