by AAK (Aksi Agraris Kanisius)
$6.00

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

by Drs. Firman B. Aji dan Drs. Martin Sirait
$9.00

by Drs. H. Abu Ahmadi dan Taswa E.S
$11.00

by Ir. Ari Wijayani Purwanto
$0.00

by Retno Iswarin Pujaningsih
$0.00