TY  - BOOK
AU  - Valerien, Jean 
TI  - Innovations for Large Classes : A Guide for Teachers and Administrators 
SN  - 9231027131
U1  - 371.2 
PY  - 1991///
CY  - Paris
PB  - Unesco, 
KW  - Mahinda Ranaweera Collection
KW  - Schools and their activities; special education
ER  -