JIMÉNEZ JIMÉNEZ, Pablo; VIDAL VILAPLANA, Alberto; NUÑEZ-SÁNCHEZ, José M.; GREGORI FAUS, Cristian. The Net Promoter Score in low-cost fitness centres: A comparative analysis according to gender, business and autonomous communities. SPORT TK-EuroAmerican Journal of Sport Sciences, [S. l.], v. 13, p. 53, 2024. DOI: 10.6018/sportk.577271. Disponível em: https://revistas.um.es/sportk/article/view/577271. Acesso em: 14 sep. 2026.