TY  - BOOK
AU  - Johnson,David W.
AU  - Johnson,Roger T.
TI  - Learning together and alone: Cooperation, competition, and individualization 
SN  - 0135279526
U1  - 371.1/02 
PY  - 1975///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Group work in education
KW  - Individualized instruction
KW  - Interaction analysis in education
KW  - Lesson planning
N1  - Bibliogr.: p. 204-214
ER  -