@book{12598,
	author = {Cala, Paul Rafael C. },
	title = {Design, fabrication and testing of a laboratory-scale trickling filter /},
	publisher = {MMSU,},
	year = {2015 },
	address = {City of Batac :},
	note = {Thesis (Bs in Chemical Engineering) -- Mariano Marcos State University - College of Engineering, City of Batac, 2015}
}