by Ir. Hatta Sunanta, B.Sc., MS
$5.00

by Benyamin Lakitan
$7.00

by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc.
$5.00

by Jatna Supriatna
$40.00

by Prof. Dr. Soekartawi
$7.00

by Tim Pustaka Familia
$6.00