1. Recovered Paper Market in 2012;BIR,2014
2. Council of Europe Resolution ResAP (2002) 1, Technical Document No.4-CEPI Guide for Good Manufacturing Practice for Paper and Board for Food Contact;CEPI,2002
3. Council of Europe Resolution ResAP (2002) 1 on Paper and Board Materials and Articles Intended to Come into Contact with Foodstuffs;COE,2002
4. Surveillance for Foodborne Disease Outbreaks, United States, 2012: Annual Report;CDC,2014
5. Advancing Sustainable Materials Management: Facts and Figures 2013 – Assessing Trends in Material Generation, Recycling and Disposal in the United States;EPA,2015