(1995). Innovation, technology, and the economy: The selected essays of Edwin Mansfield / Edwin Mansfield.
Tohutoru Kātū Chicago (17th ed.)Innovation, Technology, and the Economy: The Selected Essays of Edwin Mansfield / Edwin Mansfield. 1995.
Tohutoro MLA (9th ed.)Innovation, Technology, and the Economy: The Selected Essays of Edwin Mansfield / Edwin Mansfield. 1995.
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