@book{31194,
	author = {Kumar, Vivek, and Kashyap, Nupur,},
	title = {Operations research /},
	publisher = {S.K. Kataria & Sons,},
	year = {2012 ; Reprint 2022.},
	address = {New Delhi, India :},
	edition = {Fifth edition.},
	note = {Includes index.}
}