Dun & Bradstreet International, 1989
Buku Referensi
Tyson, Laura D`Andrea
Institute for International Economics, 1992
Buku Teks
Sanborn, Henry N.
Cotter-Barnard Co., 1972
Buku Teks
Information Service of India, 1956
Buku Teks
Mudya Johanna, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Tesis (Membership)