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Olson, Mancur (1993). "Dictatorship, Democracy, and Development". American Political Science Review. September 1993 (3): 567–576. doi:10.2307/2938736. JSTOR2938736. S2CID145312307.
Olson, Mancur (1993). "Dictatorship, Democracy, and Development". American Political Science Review. September 1993 (3): 567–576. doi:10.2307/2938736. JSTOR2938736. S2CID145312307.