SEG Annual report : The leading edge
Tahunan
 Majalah, Jurnal, Buletin
Laporan tahunan 2005 annual report Bank BTPN
Bank BTPN, 2005
 Buku Referensi
Annual report 2009 BPPT
Badan Pengkajian dan Penerapan Teknologi, 2009
 Buku Teks SO
Annual report on the technical survey of angkor monument 1995
edited by Japanese Government Team for Safeguarding Angkor (JSA)
Japan International Cooperation Center, 1995
 Buku Referensi
Annual report on the technical survey of angkor monument 1998
edited by Japanese Government Team for Safeguarding Angkor (JSA)
Japan International Cooperation Center, 1998
 Buku Referensi