Lacsamana-Jensen, Paz A.
Speed math : multiplication and addition / Paz A. Lacsamana-Jensen - Pasig City, Philippines Anvil Publishing, Inc. c2005. - 85 p.
971-27-1536-1
Mathematics--Study and teaching (Secondary).
Cir 510 L1198 2005
Speed math : multiplication and addition / Paz A. Lacsamana-Jensen - Pasig City, Philippines Anvil Publishing, Inc. c2005. - 85 p.
971-27-1536-1
Mathematics--Study and teaching (Secondary).
Cir 510 L1198 2005