@book{42799,
	author = {Knowles , L. C. A },
	title = {Economic Development In The Nineteenth Century  :},
	publisher = {George Routledge & Sons, Ltd. ,},
	year = {1932.},
	address = {London  :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07485.pdf}
}