by Drs. Husein Umar, S.E., M.M., MBA $13.00
by Ir. M. Lies Suprapti $6.00
by FJ. Roethlisberger $9.00
by Luknis Sabri $9.00
by Uken Junaedi $5.77
by Drs. Al. Amin Susanto $4.00