PUTRA, Rahman Pranovri; SUDIRMAN, Subhan Ajrin; YUSRI, Nur Aisyiah; RAMADHANTI, Auliya. Optimism and Hope: The Psychological Foundation for Building Grit in Islamic Boarding School Students. Journal of Psychological Perspective, Lampung, v. 7, n. 4, p. 297–306, 2025. DOI: 10.47679/jopp.7412612025. Disponível em: https://ukinstitute.org/journals/jopp/article/view/1261. Acesso em: 26 jun. 2026.