Gagne Robert M. <br/><br/>
The conditions of learning  
Robert M. Gagne 
 - 2nd 
 - London   Holt Renhart & Winston  1970 
 - viii, 406 p.:  ill.;  18 cm. 
<br/><br/> includes references and index 
<br/><br/><label>ISBN: </label>039100693 
<br/><br/><label>LC Class. No.: </label>LB1051G346