by Prof. Dr. Paulus Effendi Lotulung, S.H. $7.00
by Kansil C.S.T $9.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by - $5.00
by DR. Bahder Johan Nasution, S.H., S.M., M.Hum $6.00
by - $6.00