بلعيدوني مصطفى; محمد بن صابر; حسين بن زيدان. The effect of a proposed sports recreation program on the feeling of happiness in the elderly (50-60 years). Journal of Sport Science Technology and Physical Activities, [S. l.], v. 18, n. 4, p. 143–158, 2021. Disponível em: https://revue.univ-mosta.dz/index.php/jsstpa/article/view/316. Acesso em: 12 jan. 2026.