Bragdon, Allen D. <br/><br/>
Building left-brain power / 
David Gamon 
 - New york :  Barness & nobles,  1999       
 - 311 p. 
<br/><br/><label>ISBN: </label>0760720800 
<br/><br/><label>LC Class. No.: </label>QP 385.5 B813b 1999