Ilac, Adora G. <br/><br/>
Morpho-taxonomy and species distribution of the marine univalves and bivalves in the coastal areas of Ilocos Sur 
Adora, G. Ilac 
 -  2008 
 - xiv, 125 leaves   28 cm. 
<br/><br/> Thesis (M.S. Biology) -- Mariano Marcos State University-Graduate School, Laoag City 
<br/><br/>Bibliography: leaves 119-120