International Transactions in Operational Research
International Transactions in Operational Research > 26 > 1 > 248 - 269
International Transactions in Operational Research > 26 > 5 > 1718 - 1751
International Transactions in Operational Research > 26 > 1 > 248 - 269
International Transactions in Operational Research > 26 > 5 > 1718 - 1751