KELLEY, E. J. (1976). Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India.
Chicago-viite (17. p.)KELLEY, Eugene J. Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India, 1976.
MLA-viite (8. p.)KELLEY, Eugene J. Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India, 1976.
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