TY  - BOOK
AU  - Frex, Corazon C. 
TI  - A Community-based curriculum in Biology for the municipalities of Adams, Carasi and Dumalneg 
PY  - 1999///
N1  - Thesis (MA Education-Biology) -- Mariano Marcos State University-Graduate School, Laoag City; Bibliography: leaves 114-119
ER  -