Alonzo, Merylle Angeli T., et al.  <br/><br/>
A Study on the performance of concrete using the packing density test in proportioning the natural and crushedcourse aggregates 
Merylle Angeli T. Alonzo, et al.  
 -  2011 
 - xiii, 71 leaves   28 cm. 
<br/><br/> Thesis (B.S. Civil Eng) -- Mariano Marcos State University-College of Engineering, Batac City  
<br/><br/>Bibliography: leaf 34