TY  - BOOK
AU  - Johnson,David W.
AU  - Johnson,Roger T.
AU  - Holubec,Edythe Johnson
TI  - The new circles of learning: cooperation in the classroom and school 
SN  - 0871202271
AV  - LB1032.J6 1994 
PY  - 1994///
CY  - Alexandria, Va.
PB  - Association for Supervision and Curriculum Development
KW  - Group work in education
KW  - Cooperation
N1  - Includes bibliographical references (p. 106-110)
ER  -