by Denny J. A $6.00
by Prof. DR. Taliziduhu Ndraha $9.00
by Imam Tholkhah $7.00
by Dedi Supriadi $9.00
by Kolumnis Dan Wartawan Kompas $8.00
by Sidarta Gautama $7.00
by Prof. Dr. S. Nasution, M.A. $7.00
by DR. A. Saleh Abdullah $9.00
by $7.00
by $4.00
by Prof. Dr. I.H. Ph. Diederiks - Verschoor $7.00
by RARA $6.00