Willings, David R. <br/><br/>
How to use the case study in training for decision making / 
David R. Willings. 
 - London :  Business Pub. Ltd,  1968. 
 - x, 274 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method--Study and teaching.<br/>Business education--Case studies.