by Topo Santoso & Eva Achjani Zulfa $6.00
by Drs. Johansyah Lubis, M.Pd $7.00
by Iksan Kasim Salih $9.00
by Abdul Mujib, Jusuf Mudzakir $9.00
by Acep Djazuli $7.00
by Bambang Sunggono $9.00