“UPAYA DETEKSI DINI RISIKO KEHAMILAN MELALUI KELAS IBU HAMIL DI KELURAHAN PUTAT JAYA SURABAYA”. Jurnal Booth Dharma Medika, vol. 5, no. 1, July 2024, pp. 33-39, https://doi.org/10.47560/pengabmas.v5i1.610.