by E. Martasudjita, Pr. $3.00
by Aziz Alimul $9.00
by Dr. Ir. Muhammad Rasyaf, MS $11.00
by Ernest Mariyanto $3.00
by Hiro Tugiman $6.00
by Ir. Setijo Pitojo $7.00
by Ahmad Qodri Azizy $7.00
by Sofyan Syafri Harahap $13.00
by Rob Faigin $12.00
by Muhammad ad-Duaisy $6.00
by Ahmad Tohari $6.00
by Nh. Dini $12.00