Agung Dwi Ertato, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi (Membership)
O`Sullivan, Vincent, author
Viking, [1988]
Buku Teks
Green, John, 1977-, author
Gramedia Pustaka Utama, 2015
Buku Teks
Davidson, Bill, author
Harper & Row, 1961
Buku Teks
World Bank, 2004
Buku Teks