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Bumi Aksara, 2000
Buku Teks
Ichsan Malik, author
TIFA, 2007
Buku Teks
Nurida Sari Dewi, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Tesis Membership
Sheftel, Phoebe A., author
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Fahmi Sidiq, author
Universitas Indonesia, 2015
UI - Skripsi Membership