@book {9783407258311, 
	title = "Handbuch Evaluation in Schule und Unterricht",
	editor = "Müller, Sabine AND Buhren, Claus G. AND Klein, Günter",
	isbn = "9783407258311",
	year = "2019",
	edition = "1",
	keywords = "Feedback, Professionalisierung, Schulentwicklung, Schulleitung, Unterrichtsentwicklung",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407258311",
	url = "https://content-select.com/de/portal/media/view/5c84e9c9-0cdc-4e3f-8dc6-646eb0dd2d03",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}