by Dr. Mulyono Abdurrahman $11.00
by Sapto Rahardjo $9.00
by Susmayati, B.A., dkk $6.00
by Daradjadi Gondodiprojo $6.05
by Wibowo $12.00
by Drs. Zulkifli Amzah, Msc $13.00