by Dr. Hj. Tien Ch. Tirtawarna, SpGK $13.00
by Syaifuddin $12.00
by Nursalam $13.00
by Aziz Alimul $7.00
by Prof. Dr. Askandar Tjokroprawiro $9.00
by Dr. Hery Winarsi, M.S $11.00
by Darmono $7.00