by AAK (Aksi Agraris Kanisius) $6.00
by Darmawijaya, St., Pr. $3.00
by A.M. Mangunhardjana, SJ $5.00
by ISEI $18.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $5.00