by Dr. Al. Purwa Hadiwardoyo, MSF.
$3.00

by Prof. Dr. H. Zainuddin Ali, M. A.
$7.00

by Dr. Theo Huijbers
$7.00

by Ir. H. Rahmat Rukmana, MBA., M.Sc. & Uu Sugandi Saputra, B.Sc
$6.00

by Pradipta
$11.00

by James Patterson
$9.00