First regional conference on mental measurement of the blind
Hayes, Samuel P.Watertown (Mass.), Perkins Institution and Massachussets School for the Blind, 1952
32 p., tab., 23 cm.
Perkins publications. 15
Sviluppo cognitivo
Test
Valutazione
OP108
Watertown (Mass.), Perkins Institution and Massachussets School for the Blind, 1952
32 p., tab., 23 cm.
Perkins publications. 15
Sviluppo cognitivo
Test
Valutazione
OP108