by Harold G. Shane $6.00
by Mohamad Muslich, S.E., M.B.A $7.00
by Dr. B. Siswanto Sastrohadiwiryo $12.00
by Prof. H.M. Arifin, M.Ed $9.00
by Drs. Hendiyat Soetopo $11.00
by Prof. Dr. Oemar Hamalik $7.00
by - $9.00