by Prof. Dr. Sudarwan Danim $11.00
by Drs. H. Inu Kencana Syafiie, M.Si $9.00
by Drs. Surajiyo $7.00
by Munaf H. Regar $9.00
by Bakhtiar, Numan Agus, Murisal $7.00
by Edgar Morin $6.00
by APPMI $11.00