Group techniques / 
Gerald Corey ... [et al.] 
 - 4th ed. 
 - Stamford, CT :  Cengage Learning,  2015 
 - xx, 210 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780534612696 (pbk.) 0534612695 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group relations training