Bulong, Katline May C.  <br/><br/>
Ecological impact of anthropogenic activities in Paoay Lake, Ilocos Norte 
Katline May C. Bu;long  
 -  2007 
 - xii, 50 leaves   28 cm.  
<br/><br/> Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Arts and Sciences, Batac City 
<br/><br/>Bibliography: leaf 32