Learning together and alone :
Johnson, David W., 1940-
Learning together and alone : cooperative, competitive, and individualistic learning / David W. Johnson and Roger T. Johnson. - Third edition - Boston : Allyn and Bacon ; Prentice-hall, Inc., c1991. - xii, 242 p.ages : illustrations ; 23 cm.
Includes bibliographical references (pages 223-227) and index.
0135286549
90045532
LB1032 / .J595 1991
371.102
Learning together and alone : cooperative, competitive, and individualistic learning / David W. Johnson and Roger T. Johnson. - Third edition - Boston : Allyn and Bacon ; Prentice-hall, Inc., c1991. - xii, 242 p.ages : illustrations ; 23 cm.
Includes bibliographical references (pages 223-227) and index.
0135286549
90045532
LB1032 / .J595 1991
371.102