Vukotich, George, author
American Society for Training & Development, 2011
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Cummings, Thomas G., 1944-, author
CT Cengage Learning, 2015
Buku Teks
Danamik, Francisca Tiurma, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2003
UI - Tesis (Membership)
Stewart, Jim, author
Gramedia Pustaka Utama, 1997
Buku Teks
Spector, Bert, author
Pearson, 2013
Buku Teks