Pal ,J. <br/><br/>
The balance of situated action and formal instruction for laerning conditional reasoning/ 
Jelke van der Pal 
 - Te leeuwarden:  Jelke van der Pal,  1995 
 - xv, 153 p.:  ill,;  24 cm 
<br/><br/> includes appendix, bibliographical  reference 
<br/><br/><label>ISBN: </label>9090087109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer- assisted instruction
<br/><br/><label>LC Class. No.: </label>DUCE LB1028.43P74