@book{69053,
	author = {Kali, Yael.},
	title = {Designing coherent science education :},
	publisher = {Teachers College, Columbia University,},
	year = {c2008.},
	series = {Technology, education-connections, the tec series},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip0814/2008013452.html}
}