McArthur, David. <br/><br/>
Tutoring techniques in algebra / 
David McArthur, Cathleen Stasz, Mary Zmuidzinas ; supported by the National Science Foundation. 
 - California :  Rand Corporation,  1991. 
 - 48 p. ;  28 cm. 
 - A Rand note ;  N-3231-NSF .
 - Rand note ;  N-3231-NSF. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> Hadiah