TY - BOOK AU - Diaz, Zenaida B. [and five others] AU - I. Zenaida B. Diaz AU - II. Maharlika P. Mojica AU - III. Josephine L. Suzara AU - IV. Jesus P. Mercado AU - V. Mirla S. Esparrago AU - VI. Nestor V. Reyes TI - Next Century Mathematics 9: Into Critical Thinking and Problem Solving SN - 978-971-06-4966-2 U1 - Res. 510 N138 2023 3rd PY - 2023/// CY - Quezon City, Philippines : PB - Phoenix Publishing House, KW - 1. Mathematics ER -