DEVI ULFA SARI; FITRI ANDRIANI. Peran Self Efficacy, Dukungan Sosial dan Optimisme Terhadap Grit pada Anggota Tamtama. Mutiara: Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 2, n. 4, p. 266–280, 2023. DOI: 10.61404/jimi.v2i4.339. Disponível em: https://jurnal.tiga-mutiara.com/index.php/jimi/article/view/339. Acesso em: 12 mar. 2025.