Lapin, Lawrence L. Quantitative methods for business decisions : Instructor's manual / L.L. Lapin. - 2nd ed. - New York : Harcourt Brace Jovanovich, c1981. - vii, 285 p : ill. ; 23 cm. ISBN: 0155743201 (pbk.) Subjects--Topical Terms: Decision making--Mathematical models.Operations research.Statistical decision.