by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by Friedrich Nikol $6.00
by Ambarini $9.00
by $6.00
by ENA LUBIS $11.00
by Pahmi Rohliansyah $10.00
by Hasanuddin Rahman, S.H. $8.00
by Ibrahim R., S.H., M.H. $6.00
by Asshiddiqie, Jimly $6.00
by - $5.00
by Sayyid Shaleh Al-Ja'fari $7.00
by Sumitro Djojohadikusumah $31.00