Rahayuningsih, Tutik, Ambar Mudigdo, and Bhisma Murti. 2016. “Effect of Breast Care and Oxytocin Massage on Breast Milk Production: A Study in Sukoharjo Provincial Hospital”. Journal of Maternal and Child Health 1 (2):101-9. http://thejmch.com/index.php/thejmch/article/view/18.