Ledsham, A.
Basic mathematics skills revision and practice / A. Ledsham - Oxford : Oxford University Press, 1998. - 376 p.
0199147043
Mathematics--Study and teaching
Mathematics--Study and teaching (Elementary)
372.7 L475B 1998
Basic mathematics skills revision and practice / A. Ledsham - Oxford : Oxford University Press, 1998. - 376 p.
0199147043
Mathematics--Study and teaching
Mathematics--Study and teaching (Elementary)
372.7 L475B 1998