International Transactions in Operational Research
International Transactions in Operational Research > 17 > 3 > 303 - 315
International Transactions in Operational Research > 26 > 5 > 1698 - 1717
International Transactions in Operational Research > 26 > 5 > 1633 - 1654
International Transactions in Operational Research > 29 > 5 > 2737 - 2760
International Transactions in Operational Research > 29 > 5 > 2761 - 2788
International Transactions in Operational Research > 31 > 4 > 2247 - 2271