Ariyaratne, A T <br/><br/>
Collected works . Vol. 1 

 - Dehiwala:  Sarvodaya Research Institute, 
 - 173p.;  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group Work<br/>Social Problems
<br/><br/><label>Dewey Class. No.: </label>361.4  / ARI