by Suhrawardi K. Lubis, S.H. $7.00
by $13.00
by Veithzal Rivai $26.00
by - $11.00
by Prof. Dr. H. Zainuddin Ali, M.A. $0.00
by DR. H. Koko Kosidin, SH. MH. $6.00
by Ahmad Ibrahim Abu $11.00
by Prof. I. R. Poedjawiyatna $7.00