Theresia Maria Ninawati
Training komunikasi asertif untuk meningkatkan perilaku asertif terhadap keterampilan kerjasama pre operational first officer di PT. X =Assertive communication training to improve assertive behavior to teamwork skills of Pre operational first officer at X company
Fakultas Psikologi Universitas Indonesia, 2012
 UI - Tesis Open
Sign languages
edited by Diane Brentari
Cambridge University Press, 2010
 eBooks
Sign languages
edited by Diane Brentari
Cambridge University Press, 2010
 Buku Teks SO
Metcalf, C.W.
Berani konyol : keterampilan-keterampilan humor untuk mengatasi tekanan dan stres
How Press, 2006
 Buku Teks SO
Stokoe, William C.
Semiotics and human sign languages
Mouton, 1972
 Buku Teks SO