http://website-pace.net/documents/19895/585401/20140625-HandbookPlatformCorruption-EN.pdf/d6bbdea0-f3d4-4160-9e3a-b284bb4d8d95
https://www.whitehouse.gov/wp-content/uploads/2018/10/The-Opportunity-Costs-of-Socialism.pdf
https://theconversation.com/por-que-la-victoria-de-maduro-en-venezuela-no-convence-a-casi-nadie-235805