International Transactions in Operational Research
International Transactions in Operational Research > 18 > 4 > 513 - 526
International Transactions in Operational Research > 21 > 4 > 627 - 647
International Transactions in Operational Research > 25 > 1 > 375 - 403
International Transactions in Operational Research > 26 > 5 > 1935 - 1955
International Transactions in Operational Research > 30 > 6 > 3719 - 3737