by DR. Farida Yusuf Tayibnapis, M.Pd
$7.00

by M. Yahya Harahap, S.H.
$5.00

by Kenneth A. Arndt, M.D
$5.00

by Kansil C.S.T
$11.00

by Elisabeth Bing, RPT
$6.00

by Leden Marpaung, S.H.
$7.00