by AAK (Aksi Agraris Kanisius) $6.00
by Baum, Warren C & Stokes M. Tolbert $9.00
by Panut Djojosumarto $9.00
by Eko Budi Kuncoro $13.00
by Dr. Ir. Muhammad Rasyaf, MS $9.00
by Swasono, Sri-Edi, & Masri Singarimbun (Ed) $7.00
by Oegi Sugiyanta $7.00
by I Ketut Madia, Drs. $9.00