Ulum, I. (2009). Tellectual Capital. Graha Ilmu.
Chicago Style (17th ed.) CitationUlum, Ihyaul. Tellectual Capital. Graha Ilmu, 2009.
MLA (8th ed.) CitationUlum, Ihyaul. Tellectual Capital. Graha Ilmu, 2009.
Warning: These citations may not always be 100% accurate.