by Prof. Purwahid Patrik, SH. $5.00
by H. Bohari, SH, MS $7.00
by $5.00
by $6.00
by Prof. Dr. Alaidin Koto, M.A $7.00
by Erman Rajagukguk, S.H $7.00
by Drs. Marsono $6.00