Yuyun Yuningsih, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)
Yusuf Pratama, author
Fakultas Ilmu Komputer Universitas Indonesia, 2021
UI - Tugas Akhir
Johnson, Luke, author
Penguin book, 2013
Buku Teks
Chant, Bent, author
Avon Books, 1994
Buku Teks
Bradberry, John, 1961-, author
American Management Association, 2011
eBooks