@book{44101,
	author = {Maasz, Jürgen.},
	title = {Real-world problems for secondary school mathematics students :},
	publisher = {Sense Publishers,},
	year = {2011.},
	series = {Educational Research E-Books Online, Collection 2005-2017, ISBN: 9789004394001},
	address = {Rotterdam ;},
	url = {http://dx.doi.org/10.1007/978-94-6091-543-7}
}