Johnson, David W.,  1940-, <br/><br/>
Learning together and alone :  cooperative, competitive, and individualistic learning / 
David W. Johnson, Roger T. Johnson. 
 - Second edition. 
 - xiii, 193 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 185-188) and index. 
<br/><br/><label>ISBN: </label>0135278716 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group work in education.<br/>Individualized instruction.<br/>Interaction analysis in education.<br/>Lesson planning.