Halu, Silfia Angela N, Bhisma Murti, and Didik Tamtomo. 2017. “Effect of Prematurity, Birthweight, Maternal Stress, Socio-Economic Status, and Mother-Child Intimacy on the Development of Preschool Children in Surakarta”. Journal of Maternal and Child Health 2 (3):187-99. http://thejmch.com/index.php/thejmch/article/view/56.