Joining together group theory and group skills

Ngā taipitopito rārangi puna kōrero
Kaituhi matua:	Johnson, David W.
Ētahi atu kaituhi:	Johnson, Frank P.
Hōputu:	Pukapuka
I whakaputaina:	New Jersey Prentice-Hall 1991.
Putanga:	4th ed.
Ngā marau:	Social group. Leadership. Group relations training.