by Ir. Rustam Hakim, M.T., IALI & Dr. Ing. Ir. Eka SediadiR., IAI
$9.00

by Ir. AG. Kartasapoetra
$7.00

by RW. Allard
$11.00

by Drs. Wartono Hadie & Dra. Lies Emmawati Hadie
$6.00

by Drs. Surajiyo
$7.00

by Rachman Sutanto
$9.00