Schellenberger, R. E. (1982). Policy formulation and strategy management: Text and cases. New York: John Wiley and Sons.
Παραπομπή Chicago StyleSchellenberger, Robert E. Policy Formulation and Strategy Management: Text and Cases. New York: John Wiley and Sons, 1982.
Παραπομπή MLASchellenberger, Robert E. Policy Formulation and Strategy Management: Text and Cases. New York: John Wiley and Sons, 1982.
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