by Gerald I. White
Association for Investment Management and Research, 1990
Buku Teks
Shackelford, Bill, author
[American Society For Training & Development;, ], 2002
eBooks
Gibson, Charles H., author
South Western College , 2001
Buku Teks
Rika Andayani, author
Fakultas Teknik Universitas Indonesia, 2003
UI - Tesis (Membership)
Rika Andayani, author
Fakultas Teknik Universitas Indonesia, 2003
UI - Tugas Akhir