Rahma, Kartika, 		Anjaswari, Tri, 		Sulastyawati, Sulastyawati, AND 		Wiyono, Joko.
" The Relationship Between Gadget Use and Sleep Quality in Class VII Adolescents at SMP Negeri 1 Blitar" <em>Jurnal Pendidikan Kesehatan</em> [Online], Volume 12 Number 2 (26 October 2023)