1. https://euipo.europa.eu/ohimportal/documents/11370/71142/Counterfeiting+%26 %20terrorism/7c4a4abf-05ee-4269-87eb-c828a5dbe3c6
2. Role and responsibilities of intermediaries: fighting counterfeiting and privacy in the supply chain 2015
3. Trade in Counterfeit and Pirated Goods: Mapping the Economic Impact 2016
4. http://www.trade.gov/topmarkets/pdf/Pharmaceuticals Executive Summary.pdf