by Ir. Rahmat Rukaman, MBA & Hj. Yuyun $6.00
by Daryl Koehn $9.00
by Gregorius C. Higgins $6.00
by Ir. Pracaya $6.00
by Ir. Rudy Gunawan $6.00
by $11.00
by Drs. H. Kahar Masyhur $11.00