Wittron,Marlin C <br/><br/>
Testing and cognition 
/ Wittrock Marlin C;Beker Eva 
. - amerique  : prentice hall, c1991
. - vii-175p  : ill 
<br/><br/>INDEX 
<br/><br/><label>ISBN: </label>0139069917 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>