Phillips, Don T. Operations research : principles and practice / Don T. Phillips, A. Ravindran and James J. Solberg - New York : Wiley, c1976 - xvii, 585 p. : ill. ; 26 cm. Includes bibliographical references and index ISBN: 0471687073 : USD 16.95 Subjects--Topical Terms: Operations research Dewey Class. No.: 001.424