The teaching of arithmetic in primary schools /
Downes, Leonard William.
The teaching of arithmetic in primary schools / by L. W. Downes and D. Paling - Oxford University Press : London, c1962 - xii, 293 p. : ill. ; 22 cm
Includes illustration
Arithmetic--Study and teaching (Primary)
372.72044
The teaching of arithmetic in primary schools / by L. W. Downes and D. Paling - Oxford University Press : London, c1962 - xii, 293 p. : ill. ; 22 cm
Includes illustration
Arithmetic--Study and teaching (Primary)
372.72044