by Ir. Rustam Hakim, M.T., IALI $0.00
by ISEI $18.00
by Dr. Achmad S. Ruky $9.00
by M.E. Dicks $6.00
by Jaja Zakaria $7.00
by Baum, Warren C & Stokes M. Tolbert $9.00
by Ranakusuma, Boedisantoso $6.00
by F. Budi Hardiman $9.00
by Syaifuddin $12.00
by Amarellia Permata Sari $7.00
by Sisca Soewitomo $6.00
by A.M. Mangunhardjana, SJ $5.00