Johnson,, David W.,, 1940- Joining together : group theory and group skills / David W. Johnson, Frank P. Johnson

Joining together : group theory and group skills / David W. Johnson, Frank P. Johnson . - 10th ed . - Upper Saddle River : Pearson, cop. 2009 . - XVI, 653 p. : il. 24 cm
0-205-57863-2 Brochado978-0-205-57863-4

316.4