"Balir, John T" <br/><br/>
Stage 4 Mathematics 

 - London  ,London : Heinemann Educational, 1987.,Heinemann Educational Ltd  1987 
 - 231 
<br/><br/><label>ISBN: </label>9780435028299 
<br/><br/><label>Dewey Class. No.: </label>510  / 1086-T