@book{9203,
	author = {Balbas, Karl James V.},
	title = {Evaluation of rice hull as soundproofing material /},
	publisher = {MMSU, },
	year = {2011},
	address = {City of Batac :},
	note = {Thesis (BS in Electronics & Communications Engineering) -- Mariano Marcos State University-College of Engineering, City of Batac, 2011.}
}