by Prof. drh. Charles Rangga Tabbu, M.Sc., Ph.D $18.00
by AAK (Aksi Agraris Kanisius) $6.00
by Xavier Leon & Dufour $15.00
by H. Rahmat Rukmana $5.00
by Feri Surya Putra $5.00
by Amat Jutawan $6.00