[1]
2021. 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 ). 30, 2 (Oct. 2021), 115–130. DOI:https://doi.org/10.55562/jrucs.v30i2.369.