@book{531,
	author = {Lewins, Roger. and Coupe, Stuart, and Practical Action (Organization)},
	title = {Voices from the margins :},
	publisher = {Practical Action Publishing,},
	year = {2007.},
	address = {Bourton on Dunsmore, Rugby, UK :},
	url = {http://www.loc.gov/catdir/toc/fy0805/2008297564.html}
}