Janch, G. (1987). Business policy and strategic management (5th ed.). McGraw Hill.
Παραπομπή Chicago StyleJanch, Glueck. Business Policy and Strategic Management. 5th ed. McGraw Hill, 1987.
Παραπομπή MLAJanch, Glueck. Business Policy and Strategic Management. 5th ed. McGraw Hill, 1987.
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