by Drs. Husein Umar, S.E., M.M., MBA $9.00
by Ir. Moehar Daniel, M.S $7.00
by Djamin, Zulkarnain $6.00
by Vincent Gaspersz $9.00
by Bilson Simamora $11.00
by $7.00
by Sukisman $0.00
by M. Amin Summa $30.00
by AM Dalmais $11.00
by Marga T $6.00
by Haryoto $5.00
by HARRY BECKWITH & CHRISTINE C. B. $11.00