Saturno, Walner, Our world of math 9 / Walner SAturno, Rommel Quiming, and Eden Delight MIro. - Second edition. - Quezon City, Philippines : Vibal Group, Inc., 2018. - viii, 342 pages : colored illustrations, figures, numbers, and tables, and graphs ; 26 cm. - . includes glossary , index and bibliography. ISBN: 9789710741496 Subjects--Topical Terms: Math.--Mathematics for secondary education. Dewey Class. No.: 510 / S254o