Tumamao, Shane Rafael A.  <br/><br/>
Environmental impact assessment of quarrying along the Padsan river in San Isidro, Sarrat, Ilocos Norte  
Shane Rafael A. Tumamao 
 -  2010 
 - xiv, 55 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 31