Psychou, Dimitra, Dimitrios Kokaridas, Nikolaos Koulouris, Yannis Theodorakis, and Charalampos Krommidas. “The Effect of Exercise on Improving Quality of Life and Self-Esteem of Inmates in Greek Prisons”. Journal of Human Sport and Exercise 14, no. 2 (May 29, 2019): 374–384. Accessed April 26, 2024. https://www.jhse.ua.es/article/view/2019-v14-n2-effect-exercise-improving-quality-of-life-self-estee.