by Prof. Dr. Azhar Arsyad
$7.00

by Dr. C. Asri Budiningsih
$7.00

by Dra. Ahmad Rohani H.M., M.Pd
$9.00

by Prof. Anas Sudijono
$12.00

by Dr. Ahmad Jayadi, M.Pd
$7.00

by Prof. Dr. S. Nasution, M.A.
$7.00