Erwana Firdaous, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Direta Wonahausi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Tesis (Membership)
Ingo-Eric M.
London : k.C. Saur Munchen, 1981,
Buku Referensi
Erika Meilani, author
Universitas Indonesia, 2009
UI - Tesis (Open)
Muhammad Asher Utama, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Skripsi (Membership)