by Vincent Gaspersz $18.00
by Drs. H. Hartomo dan Dra. Amicun Azis $11.00
by Dibyo S. Priambodo $7.00
by Lerbin R. Aritonang R. $9.00
by Prof. Dr. H. Zainuddin Ali, M.A $7.00
by Abdul Munir Mulkhan $9.00