by Dr. C. Asri Budiningsih $6.00
by Sardiman AM $9.00
by Prof. Dr. Oemar Hamalik $7.00
by Drs. Ary H. Gunawan $11.00
by Drs. H. Fuad Ihsan $9.00
by Dr. C. Asri Budiningsih $7.00