by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Redaksi Rineka Cipta $6.00
by Prof. Dr. J. Winardi, SE $9.00
by Prof. DR. Taliziduhu Ndraha $12.00
by Susan Blackburn $15.00
by Patt Roesle Materka $9.00