Hajela, T. N. <br/><br/>
Cooperation  Principles, problems and practice / 

 - 7th ed. 
 - New Delhi :  Ane Books Pvt Ltd ,  2010. 
 - xxi+774 
<br/><br/><label>ISBN: </label>9789380156729 
<br/><br/><label>Subjects--Index Terms: </label>Co-operation