VIERA, K. .; JOZEF, G. .; MARIA, H. . Marketing in the spa industry: How does marketing affect the performance of spa businesses in Slovakia?. International Journal of Innovative Research and Scientific Studies, [S. l.], v. 8, n. 1, p. 248–260, 2025. DOI: 10.53894/ijirss.v8i1.3751. Disponível em: https://www.ijirss.com/index.php/ijirss/article/view/3751. Acesso em: 4 jul. 2025.