Orines, Fernando B., Next century mathematics grade 2 : Fernando B. Orines, [ and five others]. - Quezon City: Phoenix Publishing House, Inc. , 2023. - viii, 436 pages : colored illustrations, figures, tables and graphs; 28 cm. - . English ISBN: 978-971-06-4894-8 Subjects--Topical Terms: Century mathematics. Mathematics. Dewey Class. No.: 510 / Or69n