Vaz, Márcia, Paula Odete Fernandes, Fernanda A. Ferreira, Maria José Alves, Vânia Costa, and Alcina Nunes. “The Importance-Satisfaction Matrix As a Strategic Tool for Termas De Chaves Thermal Spa Priority Improvements”. Journal of Tourism, Sustainability and Well-being 11, no. 1 (March 31, 2023): 52–65. Accessed October 27, 2025. https://journals.cinturs.pt/jtsw/article/view/362.