by Richard Carlson, Ph.D
$11.00

by Sanny Poespo
$13.00

by Lanny Soechan
$6.00

by Drs. Amin Widjaja Tunggal, Ak., M.B.A
$6.00

by Prof. Dr. J.E. Sahetapy, S.H.
$3.00

by Barbara L. Viera
$9.00