TY  - BOOK
T1  - The actual and potential use of laboratory schols. In state normal schools and teachers colleges
A1  - Williams, Edward Irwin Franklin
PP  - New York
PB  - Columbia University
YR  - 1942
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.76532
OP  - 259
ER  -