Difna Melody Kireinata, Ni Luh Agustini Purnama, and Veronica Silalahi. “GANGGUAN TIDUR DAN PRESTASI BELAJAR REMAJA ”. JPK : Jurnal Penelitian Kesehatan 8, no. 2 (January 7, 2019): 97–104. Accessed June 21, 2026. https://journal.stikvinc.ac.id/index.php/jpk/article/view/85.