by Prof. Dr. H. Zainuddin Ali, M.A $7.00
by Abdul Mujieb $5.00
by Dr. Ir. Kemas Ali Hanafiah, M.S., dkk $11.00
by Dr. Ahmad Rofiq, MA $12.00
by Muhammad Noor $9.00
by Carl W. Ernst $7.00
by WK $12.00
by BENNY RHAMDANI $6.00