VanGundy, A. B. (2011). Brain boosters for bussiness advantage: Cara mendapatkan ide-ide kreatif dan cemerlang. Indeks.
Chicago Style (17th ed.) CitationVanGundy, Arthur B. Brain Boosters for Bussiness Advantage: Cara Mendapatkan Ide-ide Kreatif Dan Cemerlang. Indeks, 2011.
MLA (8th ed.) CitationVanGundy, Arthur B. Brain Boosters for Bussiness Advantage: Cara Mendapatkan Ide-ide Kreatif Dan Cemerlang. Indeks, 2011.
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