Marzuki, N., E. Yohmi, E. Nainggolan, B. Hegar, H. Oswari, and I. G. A. Partiwi. “Breastfeeding Practices in Mothers: A Qualitative Study”. Paediatrica Indonesiana, Vol. 54, no. 1, Feb. 2014, pp. 35-41, doi:10.14238/pi54.1.2014.35-41.