by Greg Anderson $6.00
by Karl May $5.00
by Robert K. Cooper, Ph.D. Ayman Sawaf $13.00
by Prof. Sarbini Sumawinata $11.00
by Ir. Endar Sugiarto $9.00
by Todung Mulya Lubis $7.00
by Dr. Suwarno Imam S $11.00
by Chairil Anwar $6.00
by Windy Holden $9.00
by Marga T $6.00
by Raihana $6.00
by OKT $8.00