VILA-LORENZO, L.; GUZMÁN LUJÁN, J. F. . Motivos de práctica, contratación y percepción del servicio de entrenamiento personal en clientes premium (Reasons for practice, hiring and perception of personal training service in premium clients). Retos, [S. l.], v. 51, p. 149–158, 2024. DOI: 10.47197/retos.v51.99572. Disponível em: https://recyt.fecyt.es/index.php/retos/article/view/99572. Acesso em: 11 may. 2024.