@book { KooperativesLernenimSchulunterrichtGrundelementeZieleundMethoden, title = "Kooperatives Lernen im Schulunterricht: Grundelemente, Ziele und Methoden", author = "Hasret {Deliorman}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/309091" }