Universitas Indonesia, 1997
UI - Skripsi (Membership)
Pariata Westara
Gadjah Mada University Press , 2002
Buku Teks
Naura Rista Haniffah, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)
Panjaitan, Basaria, author
2007
UI - Tesis (Membership)
Silaen, Ledy Natalia, author
Universitas Indonesia, 2003
UI - Skripsi (Membership)