by N. Driyarkara, SJ (+) $40.00
by Don W.S., Threes Emir, dan Cherry H $28.00
by Ir. Kaslan A. Tohir $9.00
by Ir. M. Lies Suprapti $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Sururin, M.Ag $7.00
by Ir. Bambang Cahyono $6.00