COOPER, D. R., & EMORY, W. (2005). Metode penelitian bisnis 2 (Ed.5.). Erlangga.
Chicago Style (17th ed.) CitationCOOPER, Donald R., and William EMORY. Metode Penelitian Bisnis 2. Ed.5. Jakarta: Erlangga, 2005.
MLA (9th ed.) CitationCOOPER, Donald R., and William EMORY. Metode Penelitian Bisnis 2. Ed.5. Erlangga, 2005.
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