@book{71044,
	author = {John Dodge and William J.Baumol},
	title = {Microeconomics :},
	publisher = {The Dryden Press Harourt Brace College Publishers,},
	year = {1994.},
	address = {Orlando :},
	edition = {6th edition.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/ENGB13-00074.pdf}
}