Perera, K.D.C <br/><br/>
How to conduct a  group discussion 

 - Colombo :  National institute of health sciences,  1983. 
 - 33p.;  ill.;  18cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>658.456  / PER