by Prof. DR. Sukardjo
$7.00

by -
$20.00

by Drs. B. Suryosubroto
$6.00

by Hasan Shadily, M.A
$12.00

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

by Drs. Thohir Luth, M.A., dkk
$6.00