HAMIDIYANTI, Baiq Yuni Fitri; PRATIWI, Intan Gumilang; SULIANTY, Ati; DEMIR, Emine. Effectiveness Of The “Nganak Kodek” Android App In Enhancing Knowledge Of Birth Preparedness, Breastfeeding Technique, And Exclusive Breastfeeding Among Adolescent Primigravidas. Jurnal Kesehatan Manarang, [S. l.], v. 11, n. 3, p. 411–417, 2025. DOI: 10.33490/jkm.v11i3.2005. Disponível em: https://jurnal.poltekkesmamuju.ac.id/index.php/m/article/view/2005. Acesso em: 25 jan. 2026.