Gardiner, A.  1947- <br/><br/>
Extension mathematics / 
Tony Gardiner. 
 - Oxford ;  New York :  Oxford Universidy Press,  2007. 
 - 3 v. :  ill. ;  25 cm. 
<br/><br/>[1] Alpha -- [2] Beta -- [3] Gamma. 
<br/><br/><label>ISBN: </label>9780199151509 (v. 1) 9780199151516 (v. 2) 9780199151523 (v. 3) 
<br/><br/><label>LCCN: </label>2007531023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gifted children--Education.<br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA11.2  / .G37 2007 
<br/><br/><label>Dewey Class. No.: </label>372.7 GAR