National Training Laboratories Institute for Applied Behavioral Science
Institute for Applied Behavioral Science, 1968
Buku Teks
Crow, Lester D., author
American Book Comp, 1956
Buku Teks
edited by John E. Morrison
Wiley, 1991
Buku Teks
Bigge, Morris L.
Harper & Row , 1982
Buku Teks
Klausmeier, Herbert J., author
Harper and Row, 1975
Buku Teks