by Dr. Sri S. Nasar, dkk $20.00
by A.A. Navis $7.00
by Emma Darcy $7.00
by ANN WAN SENG $6.00
by Robert Heilbronner $6.00
by Drs. Amin Wijaja Tunggal, M.B.A $6.00
by DAVE BARRY & RIDLEY PEARSON $13.00