THE RELATIONSHIP OF PREGNANT WOMEN CLASS ACTIVITIES TO PREGNANT MOTHERS’ READINESS IN FACING LABOR AT THE PUSKESMAS BANGUN REJO VILLAGE, DELI REGENCY, SERDANG IN 2021. Int.J.Midwifery.Res [Internet]. 2022 Aug. 20 [cited 2025 Aug. 2];2(1). Available from: https://ijmr.iiknutuban.ac.id/index.php/ijmr/article/view/27