by M. Yahya Harahap, S.H. $12.00
by Prof. Drs. C.S.T. Kansil, S.H. $0.00
by Taufik H. Simatupang $5.00
by $12.00
by Leden Marpaung, S.H. $11.00
by R. Soeparmono, SH. $6.00