I. P. G. Kayika and F. Lidyasna, “The Prevalence and Outcome of Teenage Pregnancies in a Tertiary Care Teaching Hospital: Prevalensi dan Luaran Kehamilan Remaja pada Rumah Sakit Pendidikan Tersier”, Indones J Obstet Gynecol, vol. 6, no. 4, pp. 209–212, Oct. 2018.