by Prof. Dr. H. Zainuddin Ali, M.A. $7.00
by Prof. Abdulkadir Muhammad, S.H. $8.00
by Prof. Dr. Alaidin Koto, M.A $7.00
by Cik Hasan Bisri $11.00
by Ir. H. Djoko Tribawono, M.Si. $6.00
by - $6.00
by Nugroho Nurarifin $11.00