KHATTIYASUWAN, S. Service Quality Influencing Customer Loyalty of Fitness Centers in Phra Nakhon Si Ayutthaya Province. Rajapark Journal, Bangkok, Thailand, v. 15, n. 38, p. 17–29, 2021. Disponível em: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/249143. Acesso em: 28 apr. 2024.