by Ir. Hieronymus Budi Santoso $5.00
by Drs. Yustinus Semiun, OFM $20.00
by Bambang Agus Murtidjo $6.00
by $4.00
by Heinz Frick & Tri Hesti Mulyani $5.00
by Ir. Abbas Siregar Djarijah $6.00
by Ir. Yudo Sudarto SP $5.00