by Sutarni M. Soerjowinoto $6.00
by Desrosier, Norman W. $11.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $6.00
by Ir. Hieronymus Budi Santoso $6.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Al-Rasid, Harun $6.00