ZIKMUND WILLIAM. (2013). BUSINESS RESEARCH METHODS (8TH ED.). CENGAGE LEARNING.
Chicago Style (17th ed.) CitationZIKMUND WILLIAM. BUSINESS RESEARCH METHODS. 8TH ED. ANDOVER: CENGAGE LEARNING, 2013.
MLA (9th ed.) CitationZIKMUND WILLIAM. BUSINESS RESEARCH METHODS. 8TH ED. CENGAGE LEARNING, 2013.
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