by Pandji Anoraga, S.E., M.M dan H. Djoko Sudantoko, S.Sos., M.M
$13.00

by Abdul Kadir
$11.00

by WK
$12.00

by Fajar Junaedi
$9.00

by Prof. Dr. Umar Tirtarahardja dan Drs. La Sula
$12.00

by Ir. Heinz Frick
$7.00