Measure the extent of pessimism and optimism among the students. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 30, n. 2, p. 115–130, 2021. DOI: 10.55562/jrucs.v30i2.369. Disponível em: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/369.. Acesso em: 19 nov. 2024.