@book{91881,
	author = {Ou�edraogo, Jean-Bernard, and ebrary, Inc.},
	title = {Readings in methodology},
	publisher = {Codesria,},
	year = {2011.},
	series = {Codesria book series},
	address = {Dakar :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10555064}
}