European journal of operational research
56
Format: | |
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Published: |
Amsterdam : North-Holland Publishing,
1977
|
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/journal/03772217 |
56
Format: | |
---|---|
Published: |
Amsterdam : North-Holland Publishing,
1977
|
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/journal/03772217 |