TY  - BOOK
AU  - Alonzo, Merylle Angeli T., et al. 
TI  - A Study on the performance of concrete using the packing density test in proportioning the natural and crushedcourse aggregates
PY  - 2011///
N1  - Thesis (B.S. Civil Eng) -- Mariano Marcos State University-College of Engineering, Batac City; Bibliography: leaf 34
ER  -