Muzaharyadhi, L. S. . (2023). Relationship of Gadget Use With Cognitive Levels in Children of Basic School Age (A Study on Students of SD Negeri 7 Kepanjen) . Health Frontiers: Multidisciplinary Journal for Health Professionals, 1(1), 74–79. https://doi.org/10.62255/mjhp.v1i1.88