by - $9.00
by Jansen Silalahi $7.00
by Kusumoputro, Sidiarto dan Lily Djokosetio $7.00
by Nursalam $11.00
by Prof. Dr. Samsuridjal Djauzi, SpPD $5.00
by Nursalam $12.00
by Tio Tek Hong $7.00
by Ir. Rustam Hakim, M.T., IALI $0.00
by Dr. Sulaiman bin Hamd al-Audah $5.00