Downes, L. W. <br/><br/>
The Teaching of arithmetic in tropical primary schools 
L. W. Downes and D. Palling 
 - London :  Oxford University Press,  c1958 
 - xxiv,500 p. :  ill.;  22 cm. 
 - Unesco handbooks on the teaching of science in tropical countries ;  v.5 .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7