by A. Ariobimo Nusantara & A. Masri Sareb
$6.00

by Prof. Dr. Kees Bertens, MSC
$9.00

by Ir. H. Rahmat Rukmana
$6.00

by Prof. J. Suprapto, M.A. APU
$11.00

by Seno Gumira Ajidarma
$10.00

by Pandji Anoraga, S.E., M.M dan H. Djoko Sudantoko, S.Sos., M.M
$13.00