by Drs. Ibnu Syamsi, S.U $6.00
by Prof. DR. Taliziduhu Ndraha $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by Barbie $6.00
by Radiks Purba $13.00
by V. Lestari $7.00