ECPAT in Indonesia, 2006
Buku Teks
Reed, David, author
American Management Association;, 2008
eBooks
A. S. Mahmoeddin, author
Pustaka Sinar Harapan, 1995
Buku Teks
Duddy Zein
Armico, 1987
Buku Teks
Amir Martosedono, author
Dahara Prize, 1990
Buku Teks