TY  - BOOK
AU  - Johnson, David W.
AU  - Johnson, Frank P.
TI  - Joining together: group theory and group skills / David W.  Johnson, Frank P. Johnson
U1  - B 16.4 JON -3586   
CY  - New Jersey : Prentice Hall Inc., 1975.
KW  - Social groups
KW  - Leadership
KW  - SOC
ER  -