by Dr. R. Hutapea, SKM, Ph.D $7.00
by Prof. Dr. Louis Leahy, SJ $7.00
by Ir. Ari Wijayani Purwanto $9.00
by H. Rahmat Rukmana $5.00
by Sr. Bernadette, PMY. $3.00
by Ir. M. Lies Suprapti $5.00