by Dr. FX. Mudji Sutrisno & Hendra Putranto $9.00
by WK $12.00
by M. Nipan Abdul Hailm & Suharno $6.00
by Peursen, CA van, Prof. Dr $7.00
by Drs. Wishnubroto Widarso $5.00
by Ir. Hieronymus Budi Santoso $5.00