Stability of Two Piagetian Scales with Severely and Profoundly Retarded Children
Silverstein, A.B., Brownlee, L., Hubbell, M., McLain, R. E.Volume:
41
Language:
english
Journal:
Educational and Psychological Measurement
DOI:
10.1177/001316448104100203
Date:
July, 1981
File:
PDF, 117 KB
english, 1981