TY  - BOOK
AU  - Engleberg, Isa N
AU  - Wynn, Dianna
TI  - Working in groups: communication principles and strategies 
SN  - 0395756502
AV  - HM 133 E58w 1997 
PY  - 1997///
CY  - Boston
PB  - Houghton Mifflin Company
ER  -