by Abdul Kadir $11.00
by Sisca Soewitomo $4.32
by Dr. Mien A. Rifai., dkk $11.00
by Kamarwan, Sidharta S $6.00
by M. Ghufron H. Kordi K $7.00
by Parwadi Moengin $11.00
by Prof. Dr. S. Nasution, M.A. $7.00
by Drs. H. Kahar Masyhur $13.00
by Suhardo & A. Hadiwiyata $3.00
by Zaza Gambir $5.00
by Ir. Rahmat Rukaman, MBA & Hj. Yuyun $6.00
by Friza Reihan $10.84