WOOLCOCK, W.W., LENGEL, M.B.,
USE OF GENERAL CASE INSTRUCTION WITH VISUALLY IMPAIRED, MULTIPLY HANDICAPPED ADULTS IN THE SORTING OF NATIONAL ZIP CODES. JOURNAL OF VISUAL IMPAIRMENT AND BLINDNESS
,
Vol. 81, no. 3 (1987), p. 110-114 Ref.1378 Location:
R.606