Masangkay, Mark Joel J. Math counts 8 / Mark Zoel J. Masangkay, - Quezon City : Dane Publishing House, Inc. , c2025. - 314 pages, ill. ; 27 cm. ISBN: 9789717134550 Subjects--Topical Terms: Mathematics--Study and teaching (Secondary).Matheamtics Dewey Class. No.: 510.7 / M394m