@book{352323,
	author = {Kumar, Ranjit.},
	title = {Research methodology :},
	publisher = {Sage,},
	year = {2005},
	address = {London ;},
	note = {Includes index.(p327-p332)},
	url = {http://www.loc.gov/catdir/enhancements/fy0657/99185113-d.html}
}