by Ir. H. Rahmat Rukmana
$5.00

by Dr. H. Abuddin Nata, MA
$7.00

by Sabrur R. Soenardi
$7.00

by Murdifin Haming, S.E., M.Si & Dr. Mahfud Numajamuddin, S.E., M.M
$0.00

by V.M. Bambang Soemantri
$11.00

by Ir. Eddy Afrianto & Ir. Evi Liviawaty
$6.00