Harrison, Paul. <br/><br/>
Apex Maths 4 :  Extension for all through problem solving / 
by Paul Harrison. 
 - Cambridge :  Cambridge University Press,  c2003, 2004. 
 - 48 p. :  ill., col ;  27 cm. 
 - Pupil's Textbook .
 - Pupil's Textbook .
<br/><br/><label>ISBN: </label>0521754925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.<br/>Mathematics--Study and teaching (Primary)