Joining together : group theory and group skills /
David W. Johnson, Frank P. Johnson.
- Englewood Cliffs, N.J. : Prentice-Hall, 1975
- ix, 470 p. : ill. ; 24 cm.
Bibliography: p. 467-470.
0135103886 : 0135103703
74023698
Social groups. Leadership. Group relations training.