@book{9817,
	author = {Duldulao, Leo B., Estal, Joel F., Ganal, Benito T. },
	title = {Evaluation of the engineering properties of Madongan river aggregates as portland cement concrete pavement },
	year = {2008},
	note = {Thesis (BS Civil Engineering) -- Mariano Marcos State University-College of Engineering, Batac City }
}