Prihadianto, D. G.; Astiah, A. A.; Romiana, D. Improving Maternal Health Literacy Through Educational Intervention On Pregnancy Danger Signs: A Pre-Post Study In Batam, Indonesia: Peningkatan Literasi Kesehatan Ibu Hamil Melalui Intervensi Edukasi Tentang Tanda Bahaya Kehamilan: Studi Pre-Post Di Batam, Indonesia. BSN 2025, 4, 71-93.