Orey, Maureen, author
Communication skills training
ATD Press, 2015
 Buku Teks
Strategi komunikasi guru dalam menunbuhkan motivasi belajar Siswa di Sekolah Dasar=Teacher communication strategy for growing student learning motivation in primary school
 Artikel Jurnal
Language and communication
edited by Jack C. Richards
Longman, 1993
 Buku Teks
Sweeney, Simon, author
English for business communication : a short course consisting of five modules : cultural diversity and socialising, telephoning, presentations, meetings and negotiations
Cambridge university press, 2010
 Buku Teks
Bender, Peter Urs, author
Rahasia kekuatan presentasi
Gramedia Pustaka Utama, 1997
 Buku Teks
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