Ningsih DM, Firmansyah MT, Wawo BAM. The Relationship Between Knowledge Level and Anxiety Level in Facing Menarche A Systematic Review of Cross Sectional Studies. J. of World Future Medicine, Health and Nursing [Internet]. 2023Jul.29 [cited 2025Sep.6];1(2):63-72. Available from: https://ypidathu.or.id/journal/index.php/health/article/view/431