by Steven Dowsen, dkk $12.00
by Drs. H. Kahar Masyhur $9.00
by Dr. Purnawan Junadi, Ph.D $7.00
by Drs. H. Inu Kencana Syafiie $13.00
by Drs. Slameto $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00