1. The Gender Gap in Pensions in the EU
http://ec.europa.eu/justice/gender-equality/files/documents/130530_pensions_en.pdf
2. China Health and Retirement Longitudinal Study (CHARLS)
http://charls.ccer.edu.cn
3. The Gender Dimensions of Social Security Reform in Central and Eastern Europe: Case Studies of the Czech Republic, Hungary and Poland;Fultz,2003
4. Has the Pension Coverage of Women Improved?;Even;Benefits Q.,1999
5. When Will the Gender Gap in Retirement Income Narrow?