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IEEE Transactions on Engineering Management > 2014 > 61 > 1 > 52 - 67
IEEE Transactions on Intelligent Transportation Systems > 2014 > 15 > 6 > 2360 - 2367
IEEE Transactions on Engineering Management > 2011 > 58 > 2 > 212 - 227
IT Professional > 2009 > 11 > 6 > 6 - 7
IEEE Software > 2009 > 26 > 5 > 84 - 87