1. Ackerman, A., 2014. US Appellate Faults SEC׳s ‘Conflict Minerals Arguments’ Rule. Wall Street Journal, April 14.
2. Corporate social responsibility in global supply chains;Andersen;Supply Chain Manag.: Int. J.,2009
3. Anonymous, 2010. Suppliers Need to Prove Green Credentials. Logistics Manager, March.
4. The impact of supply chain structure on the use of supplier socially responsible practices;Awaysheh;Int. J. Oper. Prod. Manag.,2010
5. Ayogu, M., Lewis, Z., 2011. Conflict Minerals: An Assessment of the Dodd-Frank Act. 〈http://www.brookings.edu/research/opinions/2011/10/03-conflict-minerals-ayogu〉. Online [accessed 22-04-14].