By Thissen W.A.H.   Twaalfhoven P.G.J.   in European Journal of Operational Research

ISSN:0377-2217|129|3|627-649

Elsevier‎(2001)‎

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By Weijnen M.P.C.   Herder P.M.   Thissen W.A.H.   in International Journal of Technology, Policy and Management

ISSN:1468-4322|1|2|174-194

Inderscience Publishers‎(2003)‎

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