Amelia, Vivi Leona, and Meida Laely Ramdani. “Screen Time Activity and Its Impact to Sleep Duration of School-Aged”. MEDISAINS: Jurnal Ilmiah Ilmu-Ilmu Kesehatan, vol. 17, no. 1, July 2019, pp. 3-7, doi:10.30595/medisains.v17i1.4823.