Modern mathematics a handbook-workbook. - Abenojar, Trinidad O.; Belleza, Julita (Nadala) 1918-.; Lamug, Norma; Pagulayan, Olindo; Sison, Bienvenido; Soriano, Beatriz (Aglibut) 1925-.; Timbol, Teresita (Quezon City alemar-Phoenix Pub. House, 1969)
Grade I, by Norma Lamug and Teresita Timbola -- Grade II, by Trinidad O. Obenojar -- Grade III, by Julita N. Belleza -- Grade IV, by Olindo Pagulayan and Julita N. Bellleza -- Grade V, by Julita N. Belleza and Bienvenido Sison, Jr. -- Grade VI, by Beatriz Aglibut-Soriano.
Keywords: Mathematics -- Study and teaching (Elementary).