Siregar, Laksmi Gondokusumo, author
UI-Press, 2005
Buku Teks
Capon, David Smith, author
John Wiley & Sons, 1999
Buku Teks
Widya Aulia Ramadhani, author
2014
UI - Skripsi (Membership)
Siregar, Laksmi Gondokusumo, author
UI-Press, 2008
Buku Teks
Capon, David Smith, author
John Wiley & Sons, 1999
Buku Teks