by P. Suparno, SJ., dkk. $6.00
by Subiyakto Sudarmo $6.00
by Ir. Hatta Sunanta, B.Sc., MS $5.00
by Bambang Agus Murtidjo $6.00
by Surip Stanislaus, OFMCap. $4.00
by ISEI $13.00