by $4.00
by Ir. Lisdiana Fachruddin $5.00
by N. Wahyu Sulistiyana $4.00
by Ir. H. Rahmat Rukmana $6.00
by Drs. Wishnubroto Widarso $5.00
by Reza A.A. Wattimena $9.00
by Prof. DR. Made Pidarta $11.00
by Henricus W. Ismanthono $12.00
by Sukarmi, S. H., M. Hum $9.00