Sustainable tourism knowledge platforms: the case of Alentejo Sustainable Tourism Observatory (ASTO) Jaime Serra Maria do Rosário Borges Joana Lima Noémi Marujo Publication Year of Publication: 2022 Identifiers ISBN Number: 978-972-789-724-7 Other Numbers: http://hdl.handle.net/10174/31131 Alternative titles DOIGoogle ScholarBibTeXRIS Locators