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Dyfyniad Arddull ChicagoOnyemelukwe, Clement C. Science of Economic Development and Growth: The Theory of Factor Proportions. New Delhi: Reference press, 2009.
Dyfyniad MLAOnyemelukwe, Clement C. Science of Economic Development and Growth: The Theory of Factor Proportions. Reference press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.