Orey, Maureen
American Society for Training and Development Press;, 2004
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Orey, Maureen
ATD Press, 2015
Buku Teks SO
Sullivan, Richard L.
American Society for Training and Development Press, 1998
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McCain, Donald V.
American Society for Training & Development, 2007
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Downs, Lisa J.
American Society for Training & Development, 2008
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