Abdul Rachim Sofyan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1991
UI - Skripsi (Membership)
Fradette, Michael
Simon & Schuster, 2000
Buku Teks
Ackoff, Russell Lincoln, 1919-, author
John Wiley & Sons, 1981
Buku Teks
Faniawanti Puspa Seruni, author
2016
UI - Skripsi (Membership)
Hussey, D. E.
Pergamon Press, 1973
Buku Teks