by Leden Marpaung, S. H. $0.00
by Dr. H. Abuddin Nata, MA $7.00
by H. Abdurrahman, S.H., M.H. $6.00
by Jazim Hamidi & Budiman N.P.D. Sinaga $7.00
by Suhrawardi K. Lubis, S. H. $7.00
by $9.00