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McGraw-Hill, 1975
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Paulson, Edward
The complete ideal's guide starting your own business
Prenada Media, 2003
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Griffin, Ricky W.
Business
Pearson Education International, 2006
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Wheeler, Bayard O.
Business
Harper & Row. Publisher, 1968
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Griffin, Ricky W.
Business
Prentice-Hall, 1999
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