TY  - BOOK
AU  - Johnson,David W.
AU  - Johnson,Roger T.
AU  - Holubec,Edythe Johnson
TI  - Circles of learning: Cooperation in the classroom 
SN  - 0939603012
PY  - 1986///
CY  - Edina, Minn.
PB  - Interaction Book Co.
KW  - Group work in education
KW  - Cooperative learning
N1  - "Revised."; Rev. ed. of: Circles of learning / David W. Johnson ... [et al.]. 1984; Includes bibliographical references
ER  -