by Ir. Irianto Aritonang $6.00
by Thomas Paine $6.00
by - $18.00
by - $12.00
by Redaksi (Penghimpun) $11.00
by Muchtar Rosyidi $32.00
by Kusumoputro, Sidiarto dkk $9.00
by Muhammad ash-Shayim $5.00
by Herry Sofiandy Halim $10.00