Ruby Arman, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2004
UI - Tesis (Membership)
Sudargo Gautama, author
Citra Aditya Bakti, 2004
Buku Teks
Perhimpunan Masyarakat Haki Indonesia, 2001
Buku Teks
Adami Chazawi, author
Bayumedia, 2007
Buku Teks
Adami Chazawi, author
Bayumedia Publishing, 2007
Buku Teks