by $6.00
by Susmayati, B.A., dkk $6.00
by Moh. Taufik Makarao, S.H., M.H $11.00
by Prof. Dr. Soekidjo Notoatmodjo $13.00
by Radiks Purba $13.00
by Drs. H. Kahar Masyhur $9.00