by dr. Titus S. Pusponegoro, Prof. dr. Hans E. M.
$5.00

by Leden Marpaung, S.H.
$11.00

by Veithzal Rivai
$26.00

by Drs. Djalinus Syah, Dra. H.N. Murdiati Sulastomo, dan Dra. H. Azimar Enong
$9.00

by Linda dan Richard Eyre
$6.00

by Anand Krishna
$6.00