by Anton van Harskamp (Editor)
$11.00

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

by Ir. Bambang Cahyono
$6.00

by Drs. Yayan Sutrian
$9.00

by Don WS, Cherry Hadibroto
$7.00

by Ir. Abbas Siregar Djarijah
$6.00