Silalahi YF. The Effect of Peer Group Health Education on Anxiety Levels in Young Women in Facing Menarche at SD IT Ummi Aida Medan. midwifery [Internet]. 2020 Oct. 1 [cited 2026 Apr. 30];9(1, Oktober):136-9. Available from: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/53