Astuti, Dyah Puji, et al. “Penerapan Kombinasi Penundaan Penjepitan Tali Pusat Dan Inisiasi Menyusu Dini Terhadap Lama Pelepasan Tali Pusat”. Prosiding University Research Colloquium, May 2021, pp. 684-91, https://repository.urecol.org/index.php/proceeding/article/view/1465.