@book{44961,
	author = {Dobler, Donald W. and Burt, David N.},
	title = {Purchasing and supply management :},
	publisher = {McGraw-Hill,},
	year = {1996.},
	address = {New York :},
	edition = {6th edition., international edition.},
	note = {Rev. ed. of: Purchasing and materials management. 5th edition. c1990.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/ENGB07-00091.pdf}
}