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ISSN:0962-7286|14|2|93-102

Universities Federation for Animal Welfare‎(2005)‎

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By Greenwood A.G.   Rees L.P.   Siochi F.C.   in European Journal of Operational Research

ISSN:0377-2217|110|2|282-313

Elsevier‎(1998)‎

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