Roger Gomm <br/><br/>
Case study method : key issues, key texts / 
Roger Gomm, ed. ; Peter Foster, ed. ; Martyn Hammersley, ed. 
 -  Sage Publications 
<br/><br/><label>ISBN: </label>978076196413 
<br/><br/><label>Dewey Class. No.: </label>1.432