Lu, Arlene G.  <br/><br/>
Pesticide residue analysis at Paoay Lake, Paoay Ilocos Norte 
Arlene G. Lu 
 -  2004 
 - xiii, 38 leaves   28 cm.  
<br/><br/> Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development, Batac City   
<br/><br/>Bibliography: leaf 31