1. Seoul Metropolitan Office of Education, 2004-2020. School Enrollment Data;Seoul Metropolitan;Seoul Open Data Plaza,2004
2. Multifamily Housing Transaction Data;Ministry of Land, Infrastructure, and Transport,2004
3. Synthetic control methods for comparative case studies: Estimating the effect of California's tobacco control program;A Abadie;Journal of the American Statistical Association,2010
4. The economic costs of conflict: A case study of the Basque Country;A Abadie;American Economic Review,2003