“How to Increase Hotel Performance through Complementary Services. A Comparison Between Machine Learning and Classical Segmentation Techniques”. Journal of Tourism Analysis Revista de Análisis Turístico (JTA) 29, no. 1 (May 22, 2022). Accessed April 3, 2025. https://analisis-turistico.aecit.org/index.php/AECIT/article/view/403.