by Ir. Heinz Frick $6.00
by Emanuel Wora $7.00
by J. Donald Walters $3.00
by Dr. Paul Suparno, SJ. Dkk $6.00
by Ir. Hieronymus Budi Santoso & Tata S. $5.00
by Dr. Budi Tri Akoso $9.00
by Bambang Agus Murtidjo $6.00