By Bradfield D.J.   Raubenheimer H.   in European Journal of Operational Research

ISSN:0377-2217|134|2|243-248

Elsevier‎(2001)‎

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By Bradfield D. J.   in International Journal of Production Research

ISSN:1366-588X|45|7|1489-1504

Taylor & Francis Ltd‎(2007)‎

Access to resources Favorite 6.1219525