17Castaldo, Adriana, Saskia Gent, Gunjan Sondhi, and Ann Whitehead. "Child Migration in National Surveys."(2009) Development Research Centre on Migration, Globalisation and Poverty Working Paper No. T-28.
21Corsi, Daniel, Melissa Neuman, Jocelyn Finlay, and S V Subramanian. "Demographic and health surveys: a profile."International journal of epidemiology 41, no. 6 (2012): 1602-1613.
43Mathers, Colin D, Christina Bernard, Kim M Iburg, Mie Inoue, Doris Ma Fat, Kenji Shibuya, Claudia Stein, Niels Tomijima, and Hongyi Xu. "Global burden of disease in 2002: data sources, methods and results."(2003) Global Programme on Evidence for Health Policy Discussion Paper.
52Rechel, Bernd, and Marin McKee. Human rights and health in Turkmenistan.: European Centre on Health and Societies in Transition, London School of Hygiene \& Tropical Medicine, 2005.