Fernandes, G.P, Castro, E. &Tracana, R. (2021). Tourism as a strategy for geo-education and cultural valorization of territories: promoting ecocultural values and geoconservationin Estrela Geopark, Portugal. In Handbook of Research on The Role of Turism In Acheiving Sustainable Development Goals (pp. 117-137). EUA: IGI Global. DOI: 10.4018/978-1-7998-5691-7.ch007