@book{3762,
	author = {Valacich, Joseph S. and George, Joey F.},
	title = {Essentials of systems analysis and design /},
	publisher = {Prentice-Hall of India Private Limited,},
	year = {c2004.},
	address = {New Delhi :},
	edition = {2nd ed.},
	note = {Includes bibliographical references and index.}
}