Johnson, David W. <br/><br/>
Joining together  : group theory and group skills 
/ David W. Johnson, Frank p. 
 - 8th.ed. 
 - Boston  : Pearson Education  , 2003, c/1975 
 - xii,660p.  : il.  ; 24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0205367402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grupos sociales<br/>Liderazgo<br/>Relaciones de grupo--- Entretenimiento
<br/><br/><label>LC Class. No.: </label>HM 131  / J613 2003