Kompas, 2004
Buku Teks
Samugyo Ibnu Redjo, author
1989
UI - Tesis (Membership)
Ali Masykur Musa, author
Lembaga Pangkajian MPR RI, 2017
Artikel Jurnal
Rusmijati Marjam, author
Lembaga Penelitian Universitas Indonesia, 1994
UI - Laporan Penelitian
editor, Sri Sumekar
Perpustakaan Nasional RI, 1998
Buku Referensi