by Pandji Anoraga, S.E, M.M $7.00
by Tom Jacobs, SJ. $8.00
by Ludovikus Ndona, SMM $5.00
by Prof. Dr. Winardi $9.00
by C. Rollin Niswonger $13.00
by Bakhtiar, Numan Agus, Murisal $7.00