by Baum, Warren C & Stokes M. Tolbert
$7.00

by Drs. G. Kartasapoetra
$12.00

by Edilius, S.E., dkk
$9.00

by Pandji Anoraga, S.E., M.M
$13.00

by Drs. Soemarso, S.R
$16.00

by Darmadi Durianto, Sugiarto, Tony Sitinjak
$7.00