by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Jackson, J.S $6.00
by Warisno $6.00
by P.J.B. Maris Marunnu, Pr $7.00
by Bambang Agus Murtidjo $5.00
by Drs. Sam sul Munir Amin, M.A. Haryanto Al-Fandi, S.Sos.I. $7.00