Khodijah UP, Mega M, Ulfah E. PENGARUH PENGGUNAAN SMARTPHONE TERHADAP PERKEMBANGAN ANAK USIA PRA SEKOLAH DI TK DAN PAUD PERMATA HATI. j. medikes [Internet]. 2020 May 31 [cited 2026 Aug. 5];7(1):143-8. Available from: https://www.jurnal.poltekkesbanten.jurnalpoltekkesbanten.com/index.php/Medikes/article/view/215