李彥毅

日文商貿文書範例集 = 日本語ビジネス文書模範例文集; Japanese business documents by: 李彥毅 (Language materials, printed) , [著]

易學式日語文法 : 學習日語的第一本文法 by: 李彥毅 (Language materials, printed) , [編著]

日文商貿文書範例集 = 日本語ビジネス文書模範; Japanese Business Documents : 對日貿易實務寶典＝日本語ビジネス文書模範 by: 李彥毅 (Language materials, printed) , [編著]