by $11.00
by Don W.S., Threes Emir, dan Cherry H $7.00
by Huub J. W. M. Boelaars, OFM.Cap. $15.00
by Anthony T. Padovano, Dr. $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Suharyo, I., Pr, Mgr. $4.00
by $16.00
by Wicipto Setiadi $7.00
by Hasbullah Thabrany (ed.) $11.00
by Ir. H. Rahmat Rukmana $6.00
by Hilman Hariwijaya $6.00
by Prof. Dr. Kees Bertens, MSC $7.00