Levin, R. I. (1989). Quantitative approaches to management (7th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationLevin, Richard I. Quantitative Approaches to Management. 7th ed. New York: McGraw-Hill, 1989.
ציטוט MLALevin, Richard I. Quantitative Approaches to Management. 7th ed. McGraw-Hill, 1989.
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