@book { WorldTrendsinEducationforSustainableDevelopment,
    title = "World Trends in Education for Sustainable Development",
    author = "Walter {Leal Filho}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04538-3",
    url = "https://www.peterlang.com/document/1129805"
}