Sari SM, Effendy HV. THE EFFECT OF HEALTH EDUCATION ABOUT MENARCHE ON ANXIETY IN FACING MENARCHE IN 5TH AND 6TH GRADE STUDENTS. nhjk [Internet]. 2019 May 25 [cited 2026 Apr. 18];8(1):43-9. Available from: https://ejournal-kertacendekia.id/index.php/nhjk/article/view/58