by Ir. M. Lies Suprapti $7.00
by A.M. Mangunhardjana, SJ $5.00
by - $5.00
by Dr. Med. Udayana Gendo $7.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Dr. M. Umar Chapra $9.00