Pangaribuan, Aristo Marisi Adiputra, author
Universitas Indonesia, 2008
UI - Skripsi (Open)
Eka Sophia Fitri, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi Membership
Buku Teks
Hutajulu, Natalia, author
2011
UI - Skripsi (Open)
Naufal Abdurrahman, author
2016
UI - Skripsi (Membership)