Permatananda PANK, Yamamoto S, Kobayashi R. The Relationship Between Sleep Quality and Depression Level in Students During the Covid-19 Pandemic Period. World Psychology [Internet]. 2025Jul.27 [cited 2026Mar.5];4(1):127-36. Available from: https://staialhikmahpariangan.ac.id/ejournal/Journal/index.php/wp/article/view/799