Seidman, L. W. (1990). Productivity the American advantage: How 50 U.S. companies are regaining the competitive edge. New York: Simon and Schuster.
Παραπομπή Chicago StyleSeidman, L. William. Productivity the American Advantage: How 50 U.S. Companies Are Regaining the Competitive Edge. New York: Simon and Schuster, 1990.
Παραπομπή MLASeidman, L. William. Productivity the American Advantage: How 50 U.S. Companies Are Regaining the Competitive Edge. New York: Simon and Schuster, 1990.
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