Faure, Edgar, author
Unesco, 1973
Buku Teks
John Macbeath, Neil Dempster
Routledge, 2009
Buku Teks
Colombo Plan Staff College for Technician education , 1986
Buku Teks
Matthias Pilz
VS Verlag, 2012
eBooks
Faitun Mariya, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi (Membership)