TY  - BOOK
T1  - The Effect of Practice Upon Individual Differences
T2  - Archives of Psychology ;
A1  - Perl, Ruth Eastwood
PP  - New York
PB  - R. S. Woodworth
YR  - 1933
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.152287
OP  - 55
ER  -