@book{42578,
	author = {Leibenstein  , Harvey },
	title = {Economic Backwardness  And Economic Growth :},
	publisher = {London John Wiley & Sons, },
	year = {1957.},
	address = {New York   :},
	note = {One of a series of books from the research program of the Institute of Industrial Relations, University of California},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07358.pdf}
}