Dr. Frank Kohler, Co-Chair & Dr. William Callahan, Co-ChairRASHED ABDULRAHMAN M ALDABAS2022-06-012022-06-0129822https://drepo.sdl.edu.sa/handle/20.500.14154/54099PRESERVICE SPECIAL EDUCATION TEACHERS` PERCEPTIONS OF THEIR KNOWLEDGE AND SKILLS OF AUGMENTATIVE AND ALTERNATIVE COMMUNICATIONThesis