@book{45550,
	author = {Gardelle, J.  and Prou, Ch. },
	title = {Établissement Des Programmes En Économie Sous-développée.},
	publisher = {DUNOD,},
	year = {1964.},
	series = {Statistique Et Programmes Économiques ; },
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07630.pdf}
}