Youwena C, Galifatma H, Fitriyah N. The Relationship Between Gadget Use and the Incidence of Menarche in Adolescents. MGK [Internet]. 2023 Jun. 28 [cited 2024 Aug. 5];12(1):48-52. Available from: https://e-journal.unair.ac.id/MGK/article/view/34491