by $3.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Ir. Heinz Frick $6.00
by Bernadetta Sri Lusiani, dkk. $7.00
by Al. Purwa Hadiwardoyo, MSF. $3.00
by H. Rahmat Rukmana $6.00