by Prof. Dr. Husaini Usman, M.Pd., M.T $16.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by John Adair $6.00
by Steven D. Levitt & Stephen J. Dubner $11.00
by Drs. Marcel Go, M.S $7.00
by $9.00
by John Dean $7.00
by Walter Lippmann $6.00