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Dyfyniad Arddull ChicagoTeorell, Jan. Determinants of Democratization: Explaining Regime Change in the World, 1972-2006. Cambridge: Cambridge University Press, 2010.
Dyfyniad MLATeorell, Jan. Determinants of Democratization: Explaining Regime Change in the World, 1972-2006. Cambridge University Press, 2010.
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