by Drs. H. Kahar Masyhur $9.00
by Drs. Syaiful Bahri Djamarah $9.00
by Rhenald Kasali, Ph.D $20.00
by Drs. Bayu Surianingrat $6.00
by Harry Simons $12.00
by Soejono, S.H., M.H $9.00