by Drs. I Nyoman Beratha $7.00
by Wiratha $0.00
by Ir. Rustam Hakim, M.T., IALI & Dr. Ing. Ir. Eka SediadiR., IAI $9.00
by Pindi Kisata, S. Kom $6.00
by Drs. Bambang Siswanto, M.A $6.00
by A. Tresna Sastrawijaya, M.Sc $7.00