by - $11.00
by Dr. M. arif Nasution, MA $6.00
by Radiks Purba $12.00
by Prof. DR. A.P. Parlindungan, SH. $8.00
by Cik Hasan Bisri $11.00
by Gunawan Widjaja $9.00
by Suwandi S. Brata $9.00