Ronquillo, Maria Marita C. The Use of multi-media in teaching grade VI science and health in Narvacan North and Narvacan South-Nagbukel Districts, Ilocos Sur / Maria Marita C. Ronquillo. - Santa Maria, Ilocos Sur : [s.n.], 2016. - xv, 88 pages : illustration ; 29 centimeter. Bibliography: pages 70-72. Subjects--Topical Terms: Educational technology. Dewey Class. No.: TH 006.7 R66u 2016