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A test for clusters
Arnold, Stephen John, (1979)
Alternative approaches for interpretation of multiple discriminant analysis in marketing reserach
Perreault jr., William D., (1979)
Strategies of effective low share businesses
Woo, Carolyn Yau Yan, (1979)
Hogyan alkalmazható a "cluster-analízis"?
Ábrahám, Katalin, (1984)