by Rachman Sutanto $9.00
by AAK (Aksi Agraris Kanisius) $6.00
by Djoehana Setyamidjaja, M.Ed $6.00
by Dr. Niels Mulder $11.00
by Ir. Abbas Siregar Djarijah & Nunung Marlina Djarijah $6.00
by Warisno $7.00