TY  - BOOK
AU  - Wheelan, Susan A.
TI  - Group processes: a developmental perspectives 
SN  - 0-250-41201-7
U1  - 305 W56 
PY  - 2005///
CY  - Boston, USA
PB  - Pearson Education Inc.
N1  - CAS; Bachelor of Science in Psychology
ER  -