“Usability Aplikasi ‘ Bumil Siaga ’ Terhadap Kesiapan Ibu Hamil Kontrol Antenatal Care”. International Journal of Adolescent and Pediatric Health (IJAPH), vol. 2, no. 1, Feb. 2026, pp. 49-52, https://journal.img.co.id/index.php/ijaph/article/view/51.