Kern, Donald Q., author
McGraw-Hill, 1965
Buku Teks
Kern, Donald Q., author
McGraw-Hill, 1983
Buku Teks
Holman, J.P. (Jack Philip)
Buku Teks
Nandy Setiadi Djaya Putra, author
Shaker Verlag, 2002
Buku Teks
Garavaglia, Paul L., author
American Society for Training and Development Press, 2000
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