Reyhan Fadila, author
2014
UI - Skripsi (Membership)
Jennings, M. Kent, author
Collier-Macmillan , 1964
Buku Teks
Nurmala Febriani, author
2010
UI - Skripsi (Membership)
Skrine, Francis Henry, 1847-1933, author
Cambridge University Press, 2013
Buku Teks
Vernadsky, George
At The Clarendon Press, 1959
Buku Teks