TY - BOOK AU - Wagner, Harvey M. TI - Principles of operations research : : with applications to managerial decisions SN - 0876921624 U1 - 001.424 WAG PY - 1980/// CY - London PB - : Prentice-Hall International, cop. KW - Operations Research KW - Principles of operations research : with applications to managerial decisions KW - Harvey M Wagner ER -