演說術

Overview
Works: 24 works in 23 publications in 23 languages
Titles
卡內基語言的突破。 by: (Language materials, printed)
卡耐基演講藝術 by: (Language materials, printed)
孩子一學就會的黃金口才課 by: (Language materials, printed)
徹底解決溝通問題的說話公式圖鑑 by: (Language materials, printed)
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