by Aziz Alimul $11.00
by dr. Muchlis Ramli, dr. Rainy U., dr. Sonar S.P $6.00
by Dr. Tony Setiabudi, Ph.D., Dr. Hardywinoto, SKM $9.00
by dr. Tjandra Yoga Aditama $5.00
by Prof. Dr. Samsuridjal Djauzi, SpPD $6.00
by Prof. Dr. Satyanegara $16.00