Dul, Jan. <br/><br/>
Case study methodology in business research / 
Jan Dul and Tony Hak. 
 - Oxford :  Elsevier,  2008. 
 - xxiv,302 p. :  ill. ;  25 cm. 
<br/><br/> lnclude index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780750681964 (pbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Research--Methodology.