Sasieni, Maurice W. Operations research : methods and problems / [by] Maurice Sasieni, Arthur Yaspan [and] Lawrence Friedman. - New York : Wiley, 1959 - xi, 316 p.: illus. 24 cm. Includes bibliographies. LCCN: 59009351 Subjects--Topical Terms: Operations research.Industrial management--Mathematical models. Dewey Class. No.: 658.072 / SAO 1959