by H. Rahmat Rukmana $5.00
by Michael P. Todaro $16.00
by AAK (Aksi Agraris Kanisius) $7.00
by Dr. Zakiah Daradjat, dkk $11.00
by Prof. Dr. Sudarwan Danim $11.00
by Scott Pearson, Carl Gotsch, Sjaiful Bahri $15.00