Contains the keyword communication barriers

Smith MM, Murray J. Parachute without a ripcord: The skydive of communication interaction. AAC: Augmentative and Alternative Communication. 2011;27(4):292-303. Abstract
Truxler JE, O’Keefe BM. The Effects of Phonological Awareness Instruction on Beginning Word Recognition and Spelling. Journal of Augmentative and Alternative Communication . 2007;23(2):164-76. Abstract