TY  - BOOK
AU  - Sumague, Josefina U.
TI  - Integrating supplementary materials in high school teaching and performance of  sophomore students in biology
AV  - CD-01946t 
PY  - 2012///
CY  - San Pablo City 
PB  - Laguna State Polytechnic University
N1  - Master of Arts
ER  -