by Steven D. Levitt & Stephen J. Dubner $11.00
by Drs. Husein Umar, S.E., M.M., MBA $7.00
by IWAN YUSWANDI $6.00
by Dr. R. Paryana Suryadipura $11.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Morris Gleitzman $6.00