TY - BOOK AU - Cala, Paul Rafael C. TI - Design, fabrication and testing of a laboratory-scale trickling filter PY - 2015/// CY - City of Batac PB - MMSU N1 - Thesis (Bs in Chemical Engineering) -- Mariano Marcos State University - College of Engineering, City of Batac, 2015; Bibliography: leaves 55-56 ER -