Search results for: Liping Liu
International Transactions in Operational Research > 28 > 6 > 3364 - 3393
International Transactions in Operational Research > 27 > 6 > 2927 - 2948
International Transactions in Operational Research > 28 > 6 > 3364 - 3393
International Transactions in Operational Research > 27 > 6 > 2927 - 2948