PERMATANANDA, P. A. N. K.; YAMAMOTO, S.; KOBAYASHI, R. The Relationship Between Sleep Quality and Depression Level in Students During the Covid-19 Pandemic Period. World Psychology, [S. l.], v. 4, n. 1, p. 127–136, 2025. DOI: 10.55849/wp.v4i1.799. Disponível em: https://ejournal.staialhikmahpariangan.ac.id/Journal/index.php/wp/article/view/799. Acesso em: 2 nov. 2025.