Hellriegel, Don Slocum, John W <br/><br/>
Management  contingency approaches 

 - 2nd ed. 
 - London  Addison-Wesley publishing company  1978 
 - xv, 607 p.; 23cm. 
<br/><br/><label>ISBN: </label>201028549 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contingency theory