TY  - BOOK
AU  - Rivero, Gilda C.
AU  - Cao, Ernelea P.
TI  - Biology: a study guide 
SN  - 9717671036
PY  - 0000///
PY  - 2005///
CY  - Diliman, Quezon City
PB  - University of the Philippines Open University
KW  - Biology
KW  - Study and teaching (Higher}
KW  - Philippines
ER  -