Astari, Ruri, and Dinda Nurazizah. “Comparison of the Colostrum Method and the Open Method Against the Length of Cord Release in Newborns”. Faletehan Health Journal 6, no. 3 (November 28, 2019): 91-98. Accessed March 31, 2020. https://journal.lppm-stikesfa.ac.id/index.php/FHJ/article/view/64.