@book { GroupDecisionMakinginSchoolsAdvantagesandDisadvantages,
    title = "Group Decision Making in Schools: Advantages and Disadvantages",
    author = "Mohamed {Msoroka}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656118374",
    url = "https://www.hausarbeiten.de/document/188190"
}