Putri P, Tri Afandi A, Yunita Lestari I. The Relationship Between Parental Knowledge Levels and the Intensity of Giving Gadgets to Preschool-Aged Children.: Relationship Between Parental Knowledge Levels and the Intensity of Giving Gadgets to Preschool-Aged Children. IJMHS [Internet]. 2025 Mar. 31 [cited 2025 Aug. 16];3(1):1-11. Available from: https://ijmhs.id/index.php/OK/article/view/98