Freedom House. (2011). Freedom in the world 2011. Washington, DC: Freedom House.
2.
HydeS. D. (2010). Experimenting in democracy promotion: International observers and the 2004 presidential elections in Indonesia. Perspectives on Politics, 8, 511-527.
3.
LiebermanE. S. (2005). Nested analysis as a mixed-method strategy for comparative research. American Political Science Review, 99, 435-452.
4.
SeawrightJ.GerringJ. (2008). Case selection techniques in case study research: A menu of qualitative and quantitative options. Political Research Quarterly, 61, 294-308.