Corey, Gerald. <br/><br/>
Group techniques / 
Gerald Corey. 
 - 2nd ed. 
 - California :  Brooks / Cole,  1992. 
 - 199 p. 
<br/><br/><label>ISBN: </label>0534162487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group relations training.
<br/><br/><label>LC Class. No.: </label>HM 134  / .G748