@book { EncyclopdiedelducationplurilingueEncyclopaediaofplurilingualeducation,
    title = "Encyclopédie de l’éducation plurilingue / Encyclopaedia of plurilingual education",
    author = "Christian {Ollivier} and Silvia {Melo-Pfeifer}",
    year = "2026",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b23455",
    url = "https://www.peterlang.com/document/1588003"
}