Harvard Business School, 1997
Buku Teks
Vanessa Nethania, author
Fakultas Hukum Universitas Indonesia, 2021
UI - Skripsi (Membership)
Castle, James W., author
Castle Group, 1998
Buku Referensi
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harvard Business Review Book, 2008
Buku Teks
Asia and the Pacific Programme of Educational Innovation for Development, Unesco Regional Office for Education in Asia and the Pacific, 1986
Buku Teks