by Prof. Dr. S. Nasution, M.A. $7.00
by AAK (Aksi Agraris Kanisius) $7.00
by Darmawijaya, St., Pr. $8.00
by $4.00
by Sunarto Kusdiarjo $5.00
by I Gede A.B. Wiranata, S.H., M.H. $6.00
by $16.00
by Fritz Wilkening $12.00
by Hendra Sutardhio $9.00
by - $9.00