Lewis, W. D. <br/><br/>
Mathematics makes sense   : an introudction to propositional algebra for secondary schools 

 - London   : Heibnemann Educational Books,  1966. 
 - xviii,234p.   : ill.   ; 23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Popular works
<br/><br/><label>LC Class. No.: </label>MATH QA93.L4