Ayukarningsih, Yoke, Sutedja Sutedja, and Anna Mardiyah. 2014. “Knowledge, Attitude, and Behavior of Pregnant Women on Early Initiation of Breastfeeding”. Paediatrica Indonesiana 54 (3), 174-80. https://doi.org/10.14238/pi54.3.2014.174-80.