HAJELA, T.N. <br/><br/>
CO-OPERATION : PRINCIPLES, PROBLEMS AND PRACTICE 

 - 6th Ed. 
 - Delhi  Konark Publishers Pvt. Ltd., Delhi   1997 
<br/><br/><label>ISBN: </label>81-220-0352-4 
<br/><br/><label>Dewey Class. No.: </label>658.047  / HAJ/C