Sitompul, Asril, author
Citra Aditya Bakti, 2000
Buku Teks
Deddy Sunanda, author
2009
UI - Tesis (Open)
Deddy Sinanda, author
Universitas Indonesia, 2009
UI - Tesis Open
Sitompul, Asril, author
Citra Aditya Bakti, 2004
Buku Teks
A. Fuad Rahmany, author
2007
Buku Teks