by Drs. Suyadi Prawirosentono, MBA $7.00
by Cyrus Sihaloho $12.00
by Robert Bacal $11.00
by - $13.00
by ISEI $11.00
by Drs. Abdulsyani $9.00
by Tim Redaksi Tatanusa $12.00
by Aziz Alimul $7.00