by Johanes Lim, Ph.D $7.00
by Joko Pinurbo $6.00
by SYARAFUDDIN AL-MUSAWI $19.00
by Cyrillus Harinowo $11.00
by rmansyah Effendi, M.Sc $6.00
by Drs. Inu Kencana Syafiie $12.00