Boulton, W. R. (1984). Business policy: The art of strategic. Mcmillan publishing company.
Dyfyniad Arddull ChicagoBoulton, William R. Business Policy: The Art of Strategic. New York: Mcmillan publishing company, 1984.
Dyfyniad MLABoulton, William R. Business Policy: The Art of Strategic. Mcmillan publishing company, 1984.
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