Graphics software packages as instructional tools.
D002648:Child; D002675:Child, Preschool; D003194:Computer-Assisted Instruction; D003201:Computers; D012048:Correction of Hearing Impairment; D003638:Deafness / Q000534:rehabilitation; D004519:Education, Special; D005260:Female; D006801:Humans; D008297:Male; D008838:Microcomputers; D012984:Software