by H. Rahmat Rukmana $6.00
by Sayyid Quthb $9.00
by Agung Kristiawan $9.00
by Ir. Sukim Prayitno $5.00
by Dr. Ir. Muhammad Rasyaf, MS $6.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00