Gonzales, Lorelie T., et al.  <br/><br/>
Soil investigation at Manila north road, Sinait, Ilocos Sur  
Lorelie T. Gonzales, et al.  
 -  2008  
 - [vi], [142] leaves   28 cm. 
<br/><br/> Thesis (BS Civil Engineering) -- Mariano Marcos State University-College of Engineering, Batac City  
<br/><br/>Bibliography: leaf 22