Lambirth, Andrew
Learning Matters, 2005
Buku Teks
Ireson, Gren, author
Learning Matters, 2006
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Park, Kil Su, author
Jimoondang, 2009
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Ferrara, Alessandro
Routledge, 1998
Buku Teks
Hayden, C. J., author
[American Society for Training & Development;American Society for Training & Development, American Society for Training & Development], 2007
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