Dela Cruz, Rizaline B.  <br/><br/>
Analysis of the microbial load of the piggery farm in Aglipay, City of Batac, Ilocos Norte  
Rizaline B. dela Cruz 
 -  2008 
 - xiv, 73 leaves   28 cm. 
<br/><br/> Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City   
<br/><br/>Bibliography: leaf 33