Girsang, R. Y., W. E. Nainggolan, N. Nurhayani, E. A. Muriana, D. S. R. Setyanti, and I. T. Marlinawati. “Influence Massage Oxytocin to Smoothness Breast Milk in Primipara Mothers”. International Journal of Public Health Excellence (IJPHE), vol. 4, no. 2, Feb. 2025, pp. 438-43, doi:10.55299/ijphe.v4i2.1280.