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Classification and ranking rural areas in Greece based on technical, economic and social indicators of the agricultural holdings
Chatzinikolaou, Pathena, (2015)
Electricity use as an indicator of U.S. economic activity
Arora, Vipin, (2016)
Out of the shadows : classifying economies by the extent and nature of employment in the informal economy
Williams, Colin C., (2015)
Systems psychology
DeGreene, Kenyon B., (1970)
Man-computer interrelationships
Greene, Kenyon B. De, (1970)
Systems analysis techniques