by Gregory Grossman $9.00
by Dr. H. Abuddin Nata, MA $7.00
by Drs. A. Hasymi Ali $11.00
by Drs. Ary H. Gunawan $11.00
by Colin Coulson - Thomas $9.00
by K. Usman $5.00
by Prof. Dr. S. Nasution, M.A. $9.00