Sinambela, Siswanto Maringan Tua, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)
Oka A. Yoeti, author
Angkasa, 1985
Buku Teks
Tokyo, Kasumigasaki Chiyoda-ku J.N.T.O, 1993.,
Buku Teks
Arditya Laksono, author
2018
UI - Tesis (Membership)
Iqbal Adzhani, author
2018
UI - Skripsi (Membership)