by Ir. Jumar $9.00
by Prof. Dr. Sudarwan Danim $9.00
by Drs. Hari Sasangka, S.H., M.H. & Lily Rosita, S.H., M.H. $6.00
by Suhema, S.Pd $7.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by $13.00