Harahap, Yahdil Abdi, author
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Mira Ayu Raditya, author
2009
UI - Tesis (Open)
Artikel Jurnal
Marlina Efrida, author
1986
UI - Skripsi (Membership)
Iik Ganjar Taufik Hidayat, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2007
UI - Tesis (Membership)