Caesilia Ika Widanti
Program Peningkatan Kemampuan Komunikasi Anak melalui Pembuatan Buku Harian = Program to Enhance Communication Skills through Journal Keeping
Fakultas Psikologi Universitas Indonesia, 2008
 UI - Tesis Open
Tatum Syarifah Adiningrum
It right : the importance of communication skills to 21st century educational leaders
[Publisher not identified], 2011
 Artikel Jurnal
Management skills : the study of real skills; Vol. 3
edited by W.T. Singleton
MTP Press, 1981
 Buku Teks
Afia Fitriani
Program Intervensi untuk Meningkatkan Kemampuan Komunikasi pada Anak yang Mengalami Autistic Disorder = Intervention Program to Improve Communication Skills to a Child with Autistic Disorder
Fakultas Psikologi Universitas Indonesia, 2009
 UI - Tesis Open
Rogers, Jenny
Coaching skills: a handbook
Open University Press, 2004
 Buku Teks