UPAYA DETEKSI DINI RISIKO KEHAMILAN MELALUI KELAS IBU HAMIL DI KELURAHAN PUTAT JAYA SURABAYA. n.a [Internet]. 2024 Jul. 9 [cited 2025 Dec. 28];5(1):33-9. Available from: https://jurnal.stikeswilliambooth.ac.id/index.php/pengabmas/article/view/610