Linkek
- www.greenfo.hu/galeriak/2013/06/09/zold-iroda-nap-2013?kep=0&meret=teljes
- www.kovet.hu/rendezvenyek/zold-iroda-nap-2013-beszamolo
- www.soyprint.net
- www.symbioprint.com
- www.soyatech.com/news_story.php?id=9527
- blog.enterpriseitplanet.com/green/blog/2008/07/oh-soy-prc-cooks-up-new-green-toner-recipe.html
- http://www.betalabservices.com/biobased/astm-d6866.html
