@book{536286,
	author = {Ahmed, Ayesha and Muhammad Yousaf},
	title = {Public Sector Engineering Economy /},
	publisher = {SEECS - NUST,},
	year = {2008.},
	address = {Islamabad;},
	url = { http://10.250.8.41:8080/xmlui/handle/123456789/29565}
}