Artikel Jurnal
Liswarti Hatta, author
Universitas Indonesia. Lembaga Penelitian, 1996
UI - Laporan Penelitian
Universitas Indonesia, 1984
UI - Skripsi (Membership)
Mas Rahim Salaby, author
Pustaka Widyasarana , 1994
Buku Teks
Yovsyah, author
Universitas Indonesia, 2001
UI - Tesis (Membership)