Sasi, K. G. <br/><br/>
Sahakarana circular samaharam / 

 - Thrissur :  K.L.James ,  2001. 
 - 843 p.  26cms 
<br/><br/> Ed .by John.M Chalakkal 
<br/><br/><label>Subjects--Index Terms: </label>Co-operation