TY  - BOOK
AU  - Guittap, Jonathan A. 
TI  - Diversity of Pteridophytes in the forest reserve are of the Payao Forest, Batac, Ilocos Norte 
PY  - 2006///
N1  - Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City; Bibliography: leaves 33-34
ER  -