@book{4759,
	author = {Visscher, Adrie J.,},
	title = {Managing schools towards high performance :},
	publisher = {Swets & Zeitlinger,},
	year = {c1999.},
	address = {Lisse, Netherlands ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0909/99013939-d.html}
}