Umami, S. F., and T. Idayanti. “RELATIONSHIP BETWEEN PREGNANT WOMEN’S HIGH-RISK AGE WITH THE PRETERM OF LABOR IN BIDAN PRAKTIK MANDIRI (BPM) BIDAN NANIK SUWATI, AMD. KEB, PUNGGING VILLAGE, MOJOSARI SUB-DISTRICT, MOJOKERTO DISTRICT”. Nurse and Health: Jurnal Keperawatan, Vol. 7, no. 2, Dec. 2018, pp. 141-7, doi:10.36720/nhjk.v7i2.49.