Johnson, David W.,  1940- <br/><br/>
Learning together and alone :  Cooperation, competition, and individualization / 
David W. Johnson, Rogert T. Johnson. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  [1975]. 
 - ix, 214 p. :  ill. ;  24 cm. 
 - 371.1/02 .
<br/><br/>Bibliogr.: p. 204-214. 
<br/><br/><label>ISBN: </label>0135279526 0135279453 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group work in education.<br/>Individualized instruction.<br/>Interaction analysis in education.<br/>Lesson planning.
<br/><br/><label>Dewey Class. No.: </label>371.1/02