鄭以萍

如何激發大創意 : Jack Foster的創意奇想法 by: Foster, Jack; 佛斯特傑克 ((Foster, Jack)); 鄭以萍 (Language materials, printed) , [譯]

點子船43號 by: Jack Foster; Larry Corby; 鄭以萍 (Language materials, printed) , [譯]