by Haryoto $5.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by H. Djufri M. Mangkuto, S.E $6.00
by Ashadi Siregar & I Made Suarjana $6.00
by Disampaikan Oleh M. Ihsan Tandjung $6.00
by Fuad bin Abdul Aziz Syalhud $7.00