00878nam a22003137i 4500 20141212093039.0 900213s1990 sp gr 000 0 spa c 1547-0350 (papel) eng TATEYAMA-SNIEZEK, K.M. THE EFFECTS OF STIMULUS VARIATION ON THE GENERALIZATION PERFORMANCE OFSTUDENTS WITH MODERATE RETARDATION Discapacidad Discapacidad intelectual Estímulos Generalización Método educativo Necesidades educativas especiales Discapacidad Documental EDUCATION AND TRAINING IN MENTAL RETARDATION Vol. 24, no. 1 (1989), p. 89-94 11.1 74 75 75 C3 AR 19900213 R.404 Depósito (31) AR