by - $9.00
by Dr. B. Siswanto Sastrohadiwiryo $9.00
by Borges $7.00
by ISEI $12.00
by Prof. DR. Taliziduhu Ndraha $11.00
by Drs. Abas Kartadinata $11.00
by Drs. Daryanto $6.00
by - $6.00