Mary Ann J. Acedo Phoenix math for the 21st century learners/ Mary Ann J. Acedo, Concesa R. Rapacon, Isidro C. Aguilar. - Quezon city: Phoenix Publishing House, Inc., 2018. - xxiv, 447 pages: Figures, illustrations; 28cm.+ 1 Compact Disk English ISBN: 9789710646333 Subjects--Topical Terms: Dewey Class. No.: 510 / Ac173p