@article{Nuviala:58519, author = "Nuviala, A. and Grao-Cruces, A. and Tamayo, J.A. and Nuviala, R. and Álvarez, J. and Fernández-Martínez, A.", title = "{Design and analysis of the valuation questionnaire of sports services (EPOD 2) (Diseño y análisis del cuestionario de valoración de servicios deportivos (EPOD2))}", year = "2013", }