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International Transactions in Operational Research > 28 > 4 > 1917 - 1951
Health Care Management Science > 2019 > 22 > 2 > 336-349
Production and Operations Management > 27 > 2 > 251 - 264
International Transactions in Operational Research > 28 > 4 > 1917 - 1951
Health Care Management Science > 2019 > 22 > 2 > 336-349
Production and Operations Management > 27 > 2 > 251 - 264