Diana Chitra Hasan, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2000
UI - Tesis (Membership)
Nababan, M. Rudolf, author
Pustaka pelajar, 2003
Buku Teks
Smart, Huw, author
Oxford University Press, 2006
Buku Referensi
Smart, Huw, author
Oxford University Press, 2006
Buku Referensi
Smart, Huw, author
Oxford University Press, 2006
Buku Referensi