by Ir. Abbas Siregar Djarijah
$5.00

by Al. Wahjasudibja, Pr.
$12.00

by Ir. Hatta Sunanta, B.Sc., MS
$7.00

by Sardi, L.A., SJ.
$7.00

by E. Martasudjita, Pr.
$3.00

by Team STFT Suryagung Bumi Bandung
$3.00