Lichfield, Nathaniel, author
Pergamon Press, 1975
Buku Teks
Franklin, Jack L., author
John Wiley & Sons, 1976
Buku Teks
Epstein, Irwin, author
Columbia Univ. Press, 1977
Buku Teks
Perrin, Karen M., author
Jones & Bartlett Learning, 2016
Buku Teks
Phillips, Patricia Pulliam, author
[American Society for Training & Development Press;, ], 2003
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