Lacoursiere, Roy B <br/><br/>
The life cycle of groups :   group development stage theory  
Roy B Lacoursiere 
 - New York ;  Human Science Press ,  1980. 
 - 317p. :  ill. ;  25 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-87705-469-X 
<br/><br/><label>Subjects--Geographic Terms: </label>