@book{88202,
	author = {Gutierrez, John Christopher B.  and  Melody Jane M. Malig, Benjamin A. Guevara Jr., Maria Lou Isabella C. Juguilon, Karl Vincent Q. Siapno, Nakki Jules C. Urbano and Sean Andrea E. Ybañez},
	title = {The effectivity of improvised carbon air filter as an air purifier.},
	year = {March 2019},
	address = {Marikina City},
	note = {Includes: references}
}