PRAYOGI, F. . Optimisme vs Pesimisme: Studi Deskriptif tentang Profil Optimisme Mahasiswa. Lentera: Jurnal Ilmiah Kependidikan, [S. l.], v. 13, n. 1, p. 155–162, 2020. Disponível em: https://jurnal.stkippgribl.ac.id/index.php/lentera/article/view/498. Acesso em: 23 dec. 2024.