TY  - BOOK
AU  - Frederick-Dugan, Amy
AU  - Test, David W.
AU  - Varn, Luann
TI  - Acquisition and generalization of purchasing skills using a calculator by students who are mentally retarded
KW  - CALCULADORAS
KW  - GENERALIZACION
KW  - METODOS DE ENSE\197ANZA
KW  - PODER ADQUISITIVO
KW  - RETRASO MENTAL MODERADO
N1  - Junio 1992
ER  -