@article {10.3262/SM1112034, 
	author = "Ziemons, Michael",
	title = "What works? - Who learns!",
	journal = "Sozialmagazin",
	ISSN = "0340-8469",
	year = "2011",
	number = "12",
	pages = "34-39",
	doi = "10.3262/SM1112034",
	url = "https://content-select.com/index.php?id=bib_view&doi=10.3262%2FSM1112034",
	publisher = "Beltz Juventa",
	language = "",
}