by Drs. Abdul Chaer $7.00
by Adolf Schacfht, Drs. Hafifi $20.00
by - $11.00
by Mike Freedman $11.00
by Anthony G. Athos $9.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Desmizar, S.E., M.M $12.00