by TE Behrend $6.00
by $9.00
by Dr. Hubert K. Rampersad $16.00
by Indrasari Tjandraningsih, Hari Nugroho, Surya Tjandra $10.00
by Drs. O.P. Simorangkir $9.00
by Drs. Herman Darmawi $9.00