Katlo, Kamel, and Rami Taraweh. “The Role of the Elderlyin Enhancing the Feeling of Optimism and Hppiness As Preceived by University Students in Palestine”. Jordan Journal of Social Sciences 13, no. 2 (November 24, 2020). Accessed February 24, 2026. https://archives.ju.edu.jo/index.php/jjss/article/view/107945.