@book{10026,
	author = {Malik, Waqar.},
	title = {A Systems Paradigm : a study of agricultural knowledge system in Pakistan},
	publisher = {Leo Books,},
	year = {1990.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B0006EYVP0/chopaconline-20}
}