by Siswandi, Drs. $9.00
by J. Guwandhi, SH. $6.00
by Ir. Daisy P. Sriyadi Hendaryono, M.Si & Ir. Ari Wijayani $6.00
by Jim Brown, Ph.D $7.00
by Dr. Herman Darmawi $7.00
by Drs. Thomas Suyatno, dkk $9.00