by Huala Adolf, S. H., LL M., Ph.D. $9.00
by Dr. Ronald Hutapea, SKM, Ph.D $6.00
by Drs. Muchdarsyah Sinungan $12.00
by Prof. DR. Koentjaraningrat $9.00
by M. Yahya Harahap, S.H. $16.00
by $6.00
by DR. Andi Hamzah, S.H $7.00