TY  - BOOK
AU  - Avina, Gelvie O.
TI  - Class size and academic performance of Elementary Pupils in Mathematics, Science, English, and MSEP
AV  - CD-02820t 
PY  - 2012///
CY  - Quezon City
PB  - New Era University
KW  - Educational Management
N1  - Educational Management
ER  -