@book {9783593443812, 
	title = "Testing Business Ideas",
	author = "Osterwalder, Alexander AND Bland, David",
	isbn = "9783593443812",
	year = "2020",
	edition = "1",
	keywords = "Produktentwicklung, Geschäftsmodell, Innovation, Marktforschung, Experiment, Geschäftsideen, Produkttest, Business Model Generation, Strategyzer, Value Proposition Design",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783593443812",
	url = "https://content-select.com/de/portal/media/view/5e637d66-d894-4a93-a5d2-688ab0dd2d03",
	publisher = "Campus Frankfurt / New York",
	language = "ger",
}