TY  - BOOK
AU  - Harvey  J. Bertcher
TI  - Group Perticipation : Techniques for leaders and Members
SN  - 0-8039-1204-8
U1  - 303.34 
PY  - 1991///
CY  - California
PB  - Sage Publication Inc.
N1  - Harvey  J. Bertcher: Group Perticipation : Techniques for leaders and Members.  California.  Sage Publication Inc., 1991. 0-8039-1204-8--(303.34BER)
ER  -