"Fourth Annual Report: Oversight of Public and Private Initiatives to Eliminate the Worst Forms of Child Labor in the Cocoa Sector of Côte d'Ivoire and Ghana" (PDF). p. 15. Archived from the original (PDF) on 19 March 2012. Retrieved 23 April 2012. ↑ Payson Center for International Development and Technology Transfer of Tulane University (30 September 2011).