Muzaharyadhi, Langit Susventa. 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.