By Kyparisis G.J.   Koulamas C.   in European Journal of Operational Research

ISSN:0377-2217|127|1|120-125

Elsevier‎(2000)‎

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By Koulamas C.   Kyparisis G.J.   in European Journal of Operational Research

ISSN:0377-2217|133|2|447-453

Elsevier‎(2001)‎

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By Koulamas C.   Kyparisis G.J.   in European Journal of Operational Research

ISSN:0377-2217|129|1|224-229

Elsevier‎(2001)‎

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By Kyparisis G.J.   Gupta S.K.   Chi-Ming I.   in European Journal of Operational Research

ISSN:0377-2217|94|1|87-96

Elsevier‎(1996)‎

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