TY  - BOOK
TI  - Joining together : : Group theory and group skills / 
SN  - 0-13-510388-6
U1  - 301.185 JOH 
PY  - 1975///
CY  - New Jersey : 
PB  - Prentice-Hall, Inc.
KW  - 1. social groups 2. leadership
ER  -