by Sugiarto, dkk $11.00
by Eka D. Sitorus $9.00
by Prof. DR. H. Abdul Muis Ba'dulu & Hermann, S.Ag., M.Pd $7.00
by S. Mara Gd $11.00
by Kenneth Baker $7.00
by Gatot Soemartono $11.00
by Anand Krishna $6.00