Gusti Ardiansyah, author
Universitas Indonesia, 2009
UI - Tesis (Open)
Lubis, Shafa Ashrina, author
Fakultas Psikologi Universitas Indonesia, 2019
UI - Skripsi (Membership)
Knowles, Asa S., author
Macmillan, 1943
Buku Teks
Exton, William Jr.
American Management Association , 1972
Buku Teks
Departemen Perburuhan R.I., 1963
Buku Teks