by M. Yahya Harahap, S.H. $16.00
by - $6.00
by Prof. DR. A.P. Parlindungan, SH. $8.00
by Drs. CST. Kansil, S.H $12.00
by Sugijanto Darmadi, SH. $5.00
by Prof. Mr. Dr. Sudargo Gautama $6.00