ISHMAH, J. S.; RAHAYUNINGSIH, I.; SHOLICHAH, I. F. The Influence Self Confidence and Peer Social Support towards Optimism In Vocational High School X In Gresik. Psycho Holistic, [S. l.], v. 5, n. 1, p. 38–50, 2023. DOI: 10.35747/ph.v5i1.635. Disponível em: https://mbunivpress.or.id/journal/index.php/psychoholistic/article/view/635. Acesso em: 2 feb. 2025.