GARCÍA FERNÁNDEZ, Jerónimo; FERNÁNDEZ GAVIRA, Jesús. Programas y servicios para personas mayores en centros de fitness de Sevilla (Programs and services for older people in fitness centers in Seville). Retos, [S. l.], v. 17, p. 90–92, 2010. DOI: 10.47197/retos.v0i17.34681. Disponível em: http://www.revistaretos.org/index.php/retos/article/view/34681. Acesso em: 30 jun. 2025.