Islamy, Nurul, et al. “Different Doses of Intraumbilical Oxytocin on the Third Stage of Labor: Berbagai Dosis Oksitosin Intraumbilikal Pada Manajemen Aktif Kala III”. Indonesian Journal of Obstetrics and Gynecology, vol. 6, no. 3, July 2018, pp. 155-61, doi:10.32771/inajog.v6i3.780.