Markland, Robert E. Quantitative methods : applications to managerial decision making / Robert E. Markland, James R. Sweigart. - 3rd ed. - New York : Wiley , 1987. - 827, 13 p. : ill. ; 27 cm. Includes index. Includes bibliographical references. ISBN: 0471878855 (hbk) Subjects--Topical Terms: Management science.Operations research. Subjects--Index Terms: Management Decision making Quantitative methods.