by Drs. Thohir Luth, M.A., dkk $6.00
by Elise T. Sulistini, dkk $7.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Richard G. Lipsey & Peter O. Steiner $18.00
by Collin Mclver $9.00
by Ny. Susmayati, B.A dan Ny. Hj. Asnidar $7.00