@article {10.3262/UW1701080, 
	author = "Gärtner, Holger AND Graf, Tanja AND Brunner, Martin",
	title = "Kompetenzorientierter Mathematikunterricht: Erfassung und Zusammenhang mit der Leistungsentwicklung in der gymnasialen Sekundarstufe I",
	journal = "Unterrichtswissenschaft",
	ISSN = "0340-4099",
	year = "2017",
	number = "01",
	pages = "80-97",
	doi = "10.3262/UW1701080",
	url = "https://content-select.com/index.php?id=bib_view&doi=10.3262%2FUW1701080",
	publisher = "Beltz Juventa",
	language = "",
}