Rela Febriani
2016
UI - Skripsi (Membership)
Febrini Cesarina
Universitas Indonesia, 2008
UI - Skripsi (Open)
Humphries, Christopher J.
Clarendon Press, 1986
Buku Teks
Scott-Ram, N.R.
Cambridge University Press, 1989
Buku Teks
Hand, D.J.
John Wiley & Sons, 1981
Buku Teks