Mirabona, Isaac P., Interactive mathematics 7 / Isaac P. Mirabona, Sergio C. Custodio. - Sta Ana, Manila : Innovative Educational Materials, Inc. , 2013. - 257 pages : black and white illustrations, figures and numbers, tables and graphs; 27 cm. " Young Adult English ISBN: 9789716995619 Subjects--Topical Terms: Mathematics for secondary education. Math. Dewey Class. No.: 510 / M67i