(EN) Jeffrey Sachs, 5, in Government, Geography, and Growth: The True Drivers of Economic Development, Foreign Affairs, vol. 91, 2012, pp. 142-150, JSTOR41720868.
(EN) Jeffrey Sachs, 5, in Government, Geography, and Growth: The True Drivers of Economic Development, Foreign Affairs, vol. 91, 2012, pp. 142-150, JSTOR41720868.
(EN) Florian Biermann, Why Nations Fail, su iset.ge, International School of Economics at Tbilisi State University, 10 febbraio 2014. URL consultato il 24 ottobre 2021 (archiviato dall'url originale il 22 febbraio 2015).