by Idris Thaha $5.00
by Henricus W. Ismanthono $12.00
by - $11.00
by Dr. Al. Purwa Hadiwardoyo, MSF $6.00
by Sufi S.Y. $6.00
by Joseph A. Luxbacher $9.00
by Swasono, Sri-Edi, dkk $6.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Marc Levy $7.00
by Dr. B.S. Mardiatmadja $6.00