Operations Research and Decisions
Operations Research and Decisions > 2013 > 23 > 4 > 55-74
Operations Research and Decisions > 2013 > 23 > 4 > 9-19
Operations Research and Decisions > 2013 > 23 > 4 > 21-38
Operations Research and Decisions > 2013 > 23 > 4 > 39-54
Operations Research and Decisions > 2013 > 23 > 4 > 75-95