Giulia Mennillo, Thomas Schlenzig, Elmar Friedrich, editors
[Springer, Springer], 2012
eBooks
Artikel Jurnal
Capricorn Books , 1974
Buku Teks
Miller, James B. (James Bernard), 1930-
Gramedia Pustaka Utama, 1997
Buku Teks
Basil Blackwell for the United Nations Industrial Development Organization, 1991
Buku Teks