The Gapminder's website lists information on the empirical data and research used as the basis for the documentary "Don’t Panic, How to End Poverty": Twitter
Truy cập ngày 26 tháng 9 năm 2015.  ^ The Gapminder's website lists information on the empirical data and research used as the basis for the documentary "Don’t Panic, How to End Poverty": 2017.