by Prof. Dr. Kees Bertens, MSC
$13.00

by Ir. H. Rahmat Rukmana, MBA., MSc.
$5.00

by Bernadetta Sri Lusiani, dkk.
$7.00

by Bambang Agus Murtidjo
$5.00

by Hanafiah, A.M & A.M. Saefuddin
$6.00

by Dede Juanda J.S. & Ir. Bambang Cahyono
$6.00