Saragi, Devi Sagita. 2022. “RELATIONSHIP OF KNOWLEDGE WITH PREGNANT WOMEN’S ATTITUDE ABOUT CHANGES IN TRIMESTER I PSYCHOLOGY IN THE WORK AREA OF KOTA PINANG PUBLIC HEALTH CENTER, LABUHAN BATU SELATAN REGENCY IN 2021 ”. Science Midwifery 10 (2):1177-86. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/484.