M. MEGASARI, S. Maryati, and D. Septiani, “PENGARUH GADGET DAN BOOKLET TERHADAP KUALITAS TIDUR ANAK DI SD NEGERI LINGGABUDI CIMAHI: The Influence of Gadgets and Booklets on Children’s Sleep Quality at Linggabudi Elementary School, Cimahi”, jkkes, vol. 20, no. 3, pp. 189–195, Dec. 2025.