8
Introduction to symbolic and augmentative communication / Stephen von Tetzchner and Harald Martinsen ; translated by Kevin M.J. Quirk.
Includes bibliographical references (p. 237-252) and index.
1565930509
92032746
616.85.503 VON
616.85.503 VON
Introduction to symbolic and augmentative communication / Stephen von Tetzchner and Harald Martinsen ; translated by Kevin M.J. Quirk.
Includes bibliographical references (p. 237-252) and index.
1565930509
92032746
616.85.503 VON
616.85.503 VON