Olson, Steve,  1956-, <br/><br/>
Count down :  six kids vie for glory at the world's toughest math competition / 
Steve Olson 
 - 244 páginas 
<br/><br/><label>ISBN: </label>0618251413 
<br/><br/><label>Subjects--Meeting Names: </label><br/>International Mathematical Olympiad
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas--Competencias
<br/><br/><label>LC Class. No.: </label>QA20.3  / O57 
<br/><br/><label>Dewey Class. No.: </label>510/.79