Efektivitas Pendekatan Modifikasi Perilaku dengan Teknik Fading dan Token Economy dalam Meningkatkan Kosakata Siswa Tuna Rungu Prelingual Profound = The Effectiveness of a Behavior Modification Approach with Fading and Token Economy Techniques to Increase the Vocabulary of a Student with Prelingual Profound Deafness - Stella Bunga Parmawati, author (2012)