Resources: Eco-efficiency, sustainability and innovation in tourism M. Robaina M. Madaleno Publication Book Title: The Future of Tourism: Innovation and Sustainability Year of Publication: 2018 Pagination: 19-41 Identifiers ISBN Number: 9783319899411 9783319899404 Other Numbers: 2-s2.0-85063776295 Alternative titles DOIGoogle ScholarBibTeXRIS Locators