by Drs. Radno Harsanto, M.Si $9.00
by Dr. Khalid Abu Syadi $9.00
by Muhammad Syafi\'I Antonio $11.00
by H. Rahmat Rukmana $6.00
by Th. Aq. M. Rochadi Widagdo, Pr. $6.00
by Irianto Aritonang $7.00