by Penyunting: J.B. Soedarmata
$20.00

by Ir. Abbas Siregar Djarijah
$6.00

by Drs. Sudarsono, S.H., M.Si, dkk
$9.00

by Ramlan Ginting
$8.00

by Ir. Morisco
$5.00

by Frank W. Jobe, Lewis
$6.00