Baumol, W. J. (1985). Productivity growth and U.S. competitiveness. New York: Oxford University Press.
Dyfyniad Arddull ChicagoBaumol, William J. Productivity Growth and U.S. Competitiveness. New York: Oxford University Press, 1985.
Dyfyniad MLABaumol, William J. Productivity Growth and U.S. Competitiveness. New York: Oxford University Press, 1985.
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