By Dyer, William G..
Reading, Mass. Addison-Wesley 1987 .
xiii, 171 p. , 911126 21 cm..
0201180375 (pbk.)

By Dyer, William G..
Reading, Mass. Addison-Wesley Pub. Co. 1984 .
vi, 202 p. , Rev. ed. of: Insight to impact. 1976. | Includes index. 25 cm..

By Dyer, William G..
Buenos Aires Editorial Guadalupe 1975 .
284 p. , Translation of : Modern theory and method in group training.

By Dyer, William G..
Buenos Aires Editorial Guadalupe 1972 .
284 p. , Translation of : Modern theory and method in group training.

By Dyer, William G..
New York Van Nostrand Reinhold Co. 1972 .
xiv, 251 p. 24 cm..