by Nazir Makarim Syirazi $6.00
by Chia Haris $12.00
by Ir. Sujamto $9.00
by E. Martasudjita, Pr. $4.00
by Endar Sugiarto & Ir. Kusmayadi $9.00
by Aloys Budi Purnomo, Pr. $6.00