Angella P.Tangkulung, Theo W.E. Mautang, Deviana P.Munthe, Prycilia P.Mamuaja, Augustinus Butarbutar, Jilly Toar. Perception and Level of Knowledge About Menarche in Student of SMP Negeri 2 Tomohon. IJHET [Internet]. 2026 Jan. 24 [cited 2026 Jun. 12];4(5). Available from: https://afdifaljournal.com/journal/index.php/ijhet/article/view/505