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Clustering and aggregation in economics
Fisher, Walter D., (1969)
Cluster analysis
Everitt, Brian, (1980)
Cluster analysis for applications
Anderberg, Michael R., (1973)
The socioeconomic position of Indonesia in the Third World
Khan, M. H., (1983)
A comparison of multivariate methods for indexing socioeconomic development
Zerby, J. A., (1983)
The socioeconomic positions of India : Pakistan and Bangladesh in the Third World
Khan, M. H., (1982)