McArthur, David,  1951- <br/><br/>
Developing computer tools to support performing and learning complex cognitive skills / 
David McArthur. ; prepared for the National Science Foundation. 
 - California :  Rand Corporation,  1989 
 - 18 p. :  ill. ;  28 cm. 
 - A Rand note ;  N-2980-NSF .
 - Rand note ;  N-2980-NSF .
<br/><br/><label>ISBN: </label> Hadiah