Rifza Putra Kurniawan, author
2010
UI - Skripsi (Open)
Douglas-Young, John, author
Parker Publishing Company, 1979
Buku Referensi
Shugar, Gershon J., author
McGraw-Hill, 1990
Buku Referensi
Universitas Indonesia, 1993
UI - Skripsi (Membership)
Sclumberger Educational, 1989
Buku Teks