Kusuma, Y. (2010). Creative problem sholving. Rumah Pengetahuan.
Chicago Style (17th ed.) CitationKusuma, Yuriadi. Creative Problem Sholving. Rumah Pengetahuan, 2010.
MLA (8th ed.) CitationKusuma, Yuriadi. Creative Problem Sholving. Rumah Pengetahuan, 2010.
Warning: These citations may not always be 100% accurate.