by Prof. Mr. Dr. Sudargo Gautama $7.00
by - $6.00
by Marihot. P. Siahaan, S.E. $16.00
by Effendi Perangin $9.00
by Dr. Andi Hamzah, S.H. $7.00
by Prof. DR. Romli Atmasasmita, SH, LL.M. $6.00