Colletti, Jerome A., author
[American Management Association, ], 2001
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Lambert, Brian W., author
American Society for Training & Development, 2009
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Hogan, Kevin, author
Mumbai: Magna Publishing, 2003,
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Rossa Rahmawati, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2022
UI - Skripsi (Membership)
Myerson, Jeremy, author
Laurence King, 2006
Buku Referensi