AKRAM, Bushra; SUNEEL, Ivan. Relationship of Optimism with Academic Achievement and Self-Esteem among University Students in Pakistan. International Journal of Social Sciences & Educational Studies, [S. l.], v. 5, n. 2, p. 108–119, 2018. DOI: 10.23918/ijsses.v5i2p108. Disponível em: https://www.ijsses.tiu.edu.iq/index.php/ijsses/article/view/677. Acesso em: 17 apr. 2026.