by Mary Higgins Clark $7.00
by Alberthiene Endah $11.00
by Ir. Setijo Pitojo $6.00
by Mohammad As Sa'dawi $5.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by C. Hanny Indraswari, SE $6.00