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. 2, p. 143–158, 2021. DOI: 10.5281/zenodo.18640923. Disponível em: https://revue.univ-mosta.dz/index.php/jsstpa/article/view/316. Acesso em: 13 apr. 2026.