GAGG, J. C.
Teaching primary arithmetic - London : Newnes Educational Publishing Co. Ltd. , 1954. - 94 p . : ill . ; 19 cm. - Newness' "classroom" series .
Arithmetic
Arithmetic - teaching and learning (Primary school)
Mathematics
513
Teaching primary arithmetic - London : Newnes Educational Publishing Co. Ltd. , 1954. - 94 p . : ill . ; 19 cm. - Newness' "classroom" series .
Arithmetic
Arithmetic - teaching and learning (Primary school)
Mathematics
513