@book{3915,
	author = {David, Fely P.  and Suyo, Perla A. },
	title = {An evaluation of the effectiveness of the social marketing program for the prevention and control of vitamin A deficiency in Region VII (Western Visayas) /},
	publisher = {Helen Keller International [and] Department of Health,},
	year = {1990.},
	series = {Technical report series ;},
	address = {[Manila]}
}