by Ir. Kaslan A. Tohir $12.00
by C. Rollin Niswonger $12.00
by Drs. Johansyah Lubis, M.Pd $7.00
by Azyumardi Azra $5.00
by Drs. Slamet Santoso $6.00
by Tony Wolf $13.00
by Hatib Abdul Kadir Olong $11.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $12.00
by $12.00
by Indriani $6.00
by Firmanzah $19.00
