by - $5.00
by Prof. Dr. Chatamarrasjid, S.H., M.H. $6.00
by Gunawan Widjaja, A. Yani $7.00
by Guy Hubbard $5.00
by Leden Marpaung, S. H. $13.00
by Ikhsan Rosyada Parluhutan Daulay, S.H $11.00