Hutabarat, Lena D., author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1982
UI - Skripsi (Membership)
Batubara, Salamah Thomasita, author
2012
UI - Tesis (Open)
Janna Markus Yajariawati, author
2013
UI - Tesis (Membership)
Kaelany H.D., author
Midada Rahma Press, 2008
Buku Teks
Artikel Jurnal