Díaz Pérez, F. M., Bethencourt Cejas, M. Y. and González Morales, O. (2003) “Diversification of products and segmentation of tourist demand on the island of La Palma: applications for tourism policy”, PASOS Revista de Turismo y Patrimonio Cultural, 1(2), pp. 195–205. doi: 10.25145/j.pasos.2003.01.019.