by Richard G. Lipsey & Peter O. Steiner $16.00
by Ir. Yushinta Fujaya, M.Si $7.00
by Radiks Purba $12.00
by Edilius, S.E., dkk $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by WK $11.00