@book{25940,
	author = {Oser, Fritz K.,},
	title = {VET Boost: Towards a Theory of Professional Competencies :},
	publisher = {Brill | Sense,},
	year = {2009.},
	series = {Educational Research E-Books Online, Collection 2005-2017, ISBN: 9789004394001},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789087907389}
}