Cooper, D. R. Business Research Methods = Metode Riset Bisnis Volume I. PT. Media Glabal Edukasi.
シカゴスタイル引用形Cooper, Donald R. Business Research Methods = Metode Riset Bisnis Volume I. PT. Media Glabal Edukasi.
MLA引用形式Cooper, Donald R. Business Research Methods = Metode Riset Bisnis Volume I. PT. Media Glabal Edukasi.
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