by Junus Melalatoa $6.00
by Dr. Haryatmoko $7.00
by Dr. Hery Winarsi, M.S $11.00
by $3.00
by PIKA $12.00
by Drs. Wishnubroto Widarso $5.00
by Karl May $5.00
by Drs. H. Kahar Masyhur $16.00
by Prof. Dr. Prayitno $9.00
by Tierney $12.00
by Editor GPU $7.00
by - $11.00