Adler, Ronald B. (Ronald Brian), 1946-, author
Communicating at work : principles and practices for business and the professions
McGraw-Hill, 2005
 Buku Teks
Downs, Lisa J., author
Negotiation skills training
American Society for Training & Development, 2009
 eBooks
Andika Mitra Karuna, author
Analisis infrastruktur teknologi informasi pada suatu perusahaan pelayanan business center
Universitas Indonesia, 2009
 UI - Tesis (Open)
Woolcott, Lysbeth A., author
Komunikasi bisnis untuk sekretaris = Communication for business and scretarial students
Erlangga, 1990
 Buku Teks
Bixler, Susan
Zhuan ye feng cai = Professional style = 專業風采Bikesile / Zhu ; Huang Zhiping yi.
Tian xia wen hua chu ban gu fen you xian gong si,, 1995
 Buku Teks
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