by Prof. Drs. S. Pamudji, M.P.A
$9.00

by Drs. Soemarso, S.R
$18.00

by Milton Chen, Ph.D.
$6.00

by Akhmad Fauzi, Ph.D.
$12.00

by Tim Puspa Swara
$6.63

by Drs. H. Moh. Pabundu Tika, M.M
$7.00