TY  - BOOK
AU  - Obiles,MaJulita Bejo
TI  - The Practical Work Approach in Teaching Mathematics I: Its Effect on the Students' Performance Level
U1  - 510 MAED 
PY  - 2002///
CY  - San Miguel, Iriga City 
PB  - University of Saint Anthony
N1  - Includes bibliographical references
ER  -