TY - BOOK AU - Childress,Robert L. AU - Robin D.Gorsky AU - Richard M.Witt TI - Mathematics for Managerial Decisions SN - 013563024X U1 - 510 C536m 1989 PY - 1989/// CY - Englewood Cliffs, N.J. PB - Prentice Hall KW - Mathematics N1 - Includes index ER -