by Drs. Jumingan, S.E., M.M., M.Si
$11.00

by G. Kartasapoetra dan R. G. Kartasapoetra, S.H
$6.00

by Tini K
$5.00

by Robert S. Redmond
$7.00

by Prof. Dr. Husaini Usman, M.Pd dan R. Purnomo Setiady Akbar, S.Pd., M.Pd
$6.00

by dr. Clifford Rose & dr. Paul Davies
$6.00