by $12.00
by $11.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Ir. Surya Suhatmansyah dan Drs. Djalinus Syah $11.00
by Dr. Mudji Sutrisno, SJ $0.00
by Tedy Herlambang $9.00