Surabaya : Citra Jaya Mukti
Majalah, Jurnal, Buletin
Institute of Southeast Asian Studies, 1992
Majalah, Jurnal, Buletin
Chungcing : The China United Press
Majalah, Jurnal, Buletin
Japan : The Mainichi newspapers
Majalah, Jurnal, Buletin
Iran : Eco cultural institute
Majalah, Jurnal, Buletin