by Olivier J $12.25
by Prof. Drs. H. A. W. Widjaja $9.00
by Drs. Husein Umar, S.E., M.M., MBA $9.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Kamaruddin Ahmad., S.E $9.00
by Susmayati, B.A., dkk $6.00