by H. Rahmat Rukmana $5.00
by Ir. Hieronymus Budi Santoso $5.00
by AAK (Aksi Agraris Kanisius) $6.00
by Don W.S., Threes Emir, dan Cherry H $7.00
by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $6.00
by UNESCO Publishing $6.00
by Ir. Yushinta Fujaya, M.Si $7.00
by $5.00
by - $9.00
by A.M. Mangunhardjana, SJ $6.00
by Prof. Dr. dr. Pinardi Hadidjaja, MPH & TM $5.00
by - $12.00