@book{201898,
	author = {Hillier, Frederick s;Hillier, Mark S;Schmedders, Karl;Stephens, Molly.},
	title = {Introduction to management science: a modeling and case studies approach with spreadsheets.},
	publisher = {Tata McGraw Hill Education Private Limited},
	year = {2006},
	address = {New Delhi},
	edition = {2}
}