by Erikson Hasiholan Gultom (Prakata: DR. Todung Mulya Lubis, SH. & DR. Albert Hasibuan, SH) $13.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by - $5.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by Prof. Dr. Nyoman Serikat Putra Jaya, S.H., M.H. $7.00
by Michael J. Alter, MS $9.00