by Suhrawardi K. Lubis, S.H. $7.00
by Leden Marpaung, S.H. $7.00
by Bachsan Mustafa, S.H. $6.00
by Bachsan Mustafa, S.H. $3.00
by Tb. Ronny Rahman Nitibaskara $11.00
by Prof. Dr. H. Zainuddin Ali M. A. $7.00