Nivera, Gladys C. Math for all prep / Gladys C. Nivera - Philippines : Salesiana Books : Don Bosco press, c2013. - vii, 344 pages : color illustrations ; 27 cm. ISBN: 9789719970705 Subjects--Topical Terms: Mathematics--Preschool textbooks. Dewey Class. No.: P Fil. 510 N735 2013