TY  - BOOK
AU  - Wagner Russell Halderman
AU  - Arnold Carroll C.
AU  - Boberts John
TI  - Handbook of group discussion
AV  - PN4193.D5 W3
U1  - 374.24 
PY  - 1950///]
CY  - Boston
PB  - Houghton Mifflin
KW  - Forums (Discussion and debate)
KW  - 成人
N1  - Includes bibliographies
ER  -