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1Βιβλίοανά Abbott, Charles Cortez“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1944
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2Βιβλίοανά Vaupel, James W.“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1969
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3Βιβλίοανά Buzzell, Robert D. (Robert Dow), 1933-“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1967
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4Βιβλίοανά Vaupel, James W.“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1973
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5Βιβλίοανά Corey, E. Raymond“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1971
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6Βιβλίοανά Butters, J. Keith (John Keith), 1915-“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1951
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7Βιβλίοανά Kilbridge, Maurice D., 1920-“…Harvard University. Graduate School of Business Administration. Division of Research…”
Έκδοση 1970