Winda Artanty, author
Program Pascasarjana Universitas Indonesia, 2007
UI - Tesis (Membership)
Smaal, A. C.
[place of publication not identified]: [publisher not identified], 1987
Buku Teks
edited by David Ingram
Blackwell , 2002
Buku Teks
Medhi, Jyotiprasad, author
Wiley Eastern, 1982
Buku Teks
King, Chris, author
Longman, 1992
Buku Teks