Bell, Peter. <br/><br/>
Basic teaching for slow learners/ 
Peter Bell 
 - London:  Muller,  1970. 
<br/><br/>includes Bibliographical references 
<br/><br/><label>ISBN: </label>0584108516 
<br/><br/><label>LC Class. No.: </label>LC 4661 BEL 1970