by Dr. Bahder Johan Nasution, S.H., S.M., M.Hum
$7.00

by Prof. dr. H. Nurbaiti Iskandar, Sp.THT
$5.00

by Dr. Tony Setiabudi, Ph.D., Dr. Hardywinoto, SKM
$9.00

by ISEI
$18.00

by Aziz Alimul
$7.00

by Totok Semartho Wiryasaputra
$6.00