1. Voice Therapy;Petrovic-Lazic,2001
2. The Voice and Its Disorders;Greene,2002
3. Perceptual and acoustic assessment of voice pathology and the efficacy of endolaryngeal phonomicrosurgery;Uloza;J Voice,2005
4. Deliyski D Acoustic model and evaluation of pathological voice production. Proceedings of the 3rd Conference on Speech Communication and Technology Eurospeech 93. Berlin, Germany 1993.
5. Spectral Analysis of I Vowel Sound in Speech Disorder Before and After Voice Therapy;Petrovic-Lazic,1995