@book{28966,
	author = {Leder, Gilah C.},
	title = {Stepping stones for the 21st century :},
	publisher = {Sense Publishers.},
	series = {Educational Research E-Books Online, Collection 2005-2017, ISBN: 9789004394001},
	address = {Rotterdam :},
	url = {http://dx.doi.org/10.1163/9789087901509}
}