Downes, Leonard William. <br/><br/>
The teaching of arithmetic in tropical primary schools / 
by L. W. Downes and D. Paling 
 - London :  Oxford Univ. Press,  1966 
 - 500 p.  ill. ;  22 cm 
 - UNESCO handbooks on the teaching of science in tropical countries ;  v. 5 .
<br/><br/> Includes illustration  
<br/><br/>Bibliography: p. [490]-492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Primary)
<br/><br/><label>Dewey Class. No.: </label>372.72044  / DOW 1966