Paling, D. (Douglas) <br/><br/>
The new mathematics for primary teachers / 
[by] D. Paling and J.L. Fox. 
 - London :  Oxford University Press,  1968. 
<br/><br/>Pt. 1. Numbers and number systems -- pt. 2. Operations with sets and numbers. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching (Elementary)--Mathematics -- Study and teaching (Elementary)