00000nam 2200000 4500 INLIS000000000002387 20180724145029 180724||||||||| | ||| |||| || | 010-0718002387 id 001.42 001.42 Ack f Ackoff, Russell L. Fundamentals of Operations Research New York John Wiley & Sons 1968 ix; 455 hlm.; Ilus; 23 cm penelitian