TY  - BOOK
T1  - An experimental study of grouping by similarity as a factor in the teaching of spelling
A1  - Wagner, Charles
PB  - Univ. of Pennsylvania
YR  - 1912
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.78368
OP  - 26
ER  -