@book{24246,
	author = {Gharajedaghi, Jamshid.},
	title = {Systems thinking },
	publisher = {Elsevier },
	year = {c2006.},
	address = {Amsterdam ;},
	edition = {2a ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0625/2005052258-d.html}
}