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La storia economica e il passaggio paradigmatico da concetti quantitativi e statici a qualitativi e dialettici
Niebyl, Karl H., (1975)
Criteria for the formulation of an adequate approach in aiding the development of underdeveloped areas
Niebyl, Karl H., (1952)
Some dynamic aspects of mercantile concepts of money
Niebyl, Karl H., (1940)