bildirgec.org

http://www.threadcakes.com/

http://www.forbes.com/2007/04/16/worlds-cleanest-cities-biz-logistics-cx_rm_0416cleanest_slide_5.html?thisSpeed=15000

http://www.birgun.net/index.php?sayfa=72&inid=0&devami=41019#haber_basi

http://www.birgun.net/bolum-56-haber-41078.html#haber_basi

http://www.hurriyet.com.tr/dunya/6466688.asp?gid=180

http://www.radikal.com.tr/ek_haber.php?ek=r2&haberno=7007

http://www.birgun.net/index.php?sayfa=70&inid=0&devami=40657#haber_basi

http://www.birgun.net/index.php?sayfa=95&inid=0&devami=40697#haber_basi

http://www.chip.com.tr/konu.asp?id=3626

http://www.ekolojimagazin.com/?s=magazin&id=250