Lubis, Ervin, author
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Artikel Jurnal
Rini Utami, author
2003
UI - Tesis (Membership)
Universitas Indonesia, 1987
UI - Skripsi (Membership)
Jakarta : PT. Forum Adil Mandiri, 2006,
Majalah, Jurnal, Buletin