Hidayah, F., Y. L. Retno, and U. R. Budihastuti. “Meta-Analysis: The Effect of Early Breastfeeding Initiation on Hypothermia and Diarrhea in Infants”. Journal of Maternal and Child Health, vol. 6, no. 6, Nov. 2021, pp. 642-5, doi:10.26911/thejmch.2021.06.06.02.