by dr. Titus S. Pusponegoro, Prof. dr. Hans E. M. $5.00
by Ir. Arif Hartoyo, M. S $5.00
by dr. Muchlis Ramli, dr. Rainy U., dr. Sonar S.P $6.00
by Rachman Sani $7.00
by dr. Samsuridjal Djauzi $7.00
by DR. Dr. Sidartawan Soegondo, SpPD-KEMP, FACE $11.00