Downes, Leonard William.
The teaching of arithmetic in tropical primary schools / Leonard William Downes and D. Paling. - London : Oxford University Press, c 1963. - 500 p. : ill. ; 22 cm. - UNESCO handbooks on the teaching of science in tropical countries 5. .
Includes index.
Being volume 5 of the Unesco handbooks.
318 318
Elementary education--Mathematics.
372.7 / D785t
The teaching of arithmetic in tropical primary schools / Leonard William Downes and D. Paling. - London : Oxford University Press, c 1963. - 500 p. : ill. ; 22 cm. - UNESCO handbooks on the teaching of science in tropical countries 5. .
Includes index.
Being volume 5 of the Unesco handbooks.
318 318
Elementary education--Mathematics.
372.7 / D785t