Mansfield, E. (1971). Technological change: An introduction to a vital area of modern economics. New York: Norton.
Trích dẫn kiểu ChicagoMansfield, Edwin. Technological Change: An Introduction to a Vital Area of Modern Economics. New York: Norton, 1971.
ציטוט MLAMansfield, Edwin. Technological Change: An Introduction to a Vital Area of Modern Economics. New York: Norton, 1971.
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