by Drs. H. Kahar Masyhur $16.00
by Drs. S. Margono $9.00
by Ir. AG. Kartasapoetra $9.00
by Sei H. Dt. Tombak Alam $13.00
by Drs. Ibnu Syamsi, S.U $9.00
by Prof. DR. Made Pidarta $11.00