Djellab , Mosbah, and Nourdine Djaalab. “The Level of Optimism and Its Relation to the Personal Project of Life Among Master Students - A Field Study at the University of M’sila”. Al-Jamie Journal In Psychological Studies and Educational Sciences, vol. 10, no. 2, Dec. 2025, pp. 880-04, https://journals.univ-msila.dz/index.php/ajpe/article/view/3940.