@book{21440,
	author = {Ahmad, Ehtisham.},
	title = {Social security in developing countries /},
	publisher = {Clarendon Press ;},
	year = {1991.},
	address = {Oxford [England] :},
	url = {http://www.loc.gov/catdir/enhancements/fy0637/90007510-d.html}
}