Cohen, Arjeh M. <br/><br/>
Algebra interactive :  learning algebra in an exciting way / 
Arjeh M. Cohen, Hans Cuypers, Hans Sterk. 
 - Berlin ;  New York :  Springer,  c1999. 
 - viii, 159 p. :  ill. ; 
<br/><br/><label>ISBN: </label>3540653686 (hardcover : alk. paper) 
<br/><br/><label>Subjects--Index Terms: </label>Algebra 
<br/><br/><label>Universal Decimal Class. No.: </label>512  / COH