郭行健

企劃會議運作技法：有效增進企劃會議技巧和能力 by: 郭行健 (Language materials, printed) , [編譯]

成功的會議技巧：如何開一個有效率的會議 by: 郭行健 (Language materials, printed) , [編譯]

企劃提案技巧與實務 = Effective planning techniques and practices by: 郭行健; 廖慶廷 (Language materials, printed) , [編譯]

交涉與說服實戰技法 by: 郭行健; 白井澄 (Language materials, printed) , [編譯]