by Sutarni M. Soerjowinoto
$6.00

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

by Ir. Eddy Afrianto & Ir. Evi Liviawaty
$7.00

by Ir. Mul Muyani Sutedjo
$7.00

by Prof. Dr. Sudarwan Danim
$11.00

by Drs. Daryanto
$7.00