Gilang Ramadhan
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Makalah dan Kertas Kerja
Goldstein, Beth
McGraw-Hill, 2007
Buku Teks
Monroe, Kent B.
McGraw-Hill, 1979
Buku Teks
Hayden, C. J.
[American Society for Training & Development;American Society for Training & Development, American Society for Training & Development], 2007
eBooks
Kurnit, Paul
[American Management Association;, ], 2011
eBooks