By Lee Jon   Leung Janny   Vries Sven   in Journal of Combinatorial Optimization

ISSN:1382-6905|9|1|59-67

Springer Publishing Company ‎(2005)‎

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By Wong Jacky C.F.   Fung Paul T.W.   Cheng Chun-Hung   Leung Janny M.Y.   in International Journal of Services Operations and Informatics

ISSN:1741-539X|2|1|1-17

Inderscience Publishers‎(2007)‎

Access to resources Favorite 7.607381