Guittap, Jonathan A.  <br/><br/>
Diversity of Pteridophytes in the forest reserve are of the Payao Forest, Batac, Ilocos Norte  
Jonathan A. Guittap 
 -  2006 
 - xiii, 41 leaves   28 cm. 
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City  
<br/><br/>Bibliography: leaves 33-34