PALING, D <br/><br/>
MAKING MATHEMATICS   A SECONDARY COURSE 2 

 - 2ND .ED 
 - LONDON  OXFORD UNIVERSITY PRESS  1968 
 - P112 
<br/><br/><label>ISBN: </label>0-19-833672-1 
<br/><br/><label>LC Class. No.: </label>QA 135.5 .P35 V.2 1968  / C.2.P.P112