Young, Dennis
The Urban Institute , 1972
Buku Teks
Gilley, Jerry W., author
[American Society for Training and Development Press, American Society for Training and Development Press], 2005
eBooks
Pierce, Milton
Dow Jones-Irwin, 1980
Buku Teks
Bell, Mary Hayley, author
J.B. Lippincott, 1968
Buku Teks
Diana Santos, editor
[, Springer-Verlag], 2012
eBooks