Akram, Bushra, and Ivan Suneel. “Relationship of Optimism With Academic Achievement and Self-Esteem Among University Students in Pakistan”. International Journal of Social Sciences & Educational Studies 5, no. 2 (December 1, 2018): 108–119. Accessed May 16, 2025. https://ijsses.tiu.edu.iq/index.php/ijsses/article/view/677.