by H. Rahmat Rukmana $6.00
by drh. N. Tarigan, MSc $6.00
by Fachruddin M. Mangunjaya, Ahmad Sudirman Abbas $6.00
by Ir. AG. Kartasapoetra $7.00
by AAK (Aksi Agraris Kanisius) $6.00
by Bambang Agus Murtidjo $6.00