Batara, Don Carlo R.  <br/><br/>
Analysis of water in Bislak River and irrigation system of Vintar, Ilocos Norte 
Don Carlo R. Batara 
 -  2008 
 - xvi, 72 leaves   28 cm. 
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City  
<br/><br/>Bibliography: leaf 36