Group dynamics/ 
David Johnson, Frank P. Johnson 
 - Singapore:  Pearson Education,  2014. 
 - 656 pages;  27 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789814718943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social groups
<br/><br/><label>LC Class. No.: </label>Circ HM 131 .J64 2014