TY - BOOK AU - Wendt,Oliver AU - Quist,Raymond W. AU - Lloyd, Lyle L TI - Assistive technology: principles and applications for communication disorders and special education T2 - Augmentative and alternative communication perspectives SN - 9781780522944 AV - RC 423 A87.2011 PY - 2011/// CY - United Kingdom PB - Emerald KW - Dispositivos de comunicaciĆ³n para personas con discapacidad KW - EducaciĆ³n especial ER -