1. Bartlett, Sean. “New Study Estimates 4 Million Deaths from Household Cooking Smoke Each Year”, press Release December 13, 2012 Global Alliance for Clean Cookstoves. http://www.cleancookstoves.org/media-and-events/press/new-study-estimates-4-million-from-household-cooking-smoke-each-year.html.
2. A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990—2010: a systematic analysis for the Global Burden of Disease Study 2010”;Lim;The Lancet,2012
3. http://anthro.palomar.edu/homo2/mod_homo_3.htm.
4. “Household Cookstoves Environment, Health, and Climate Change” http://climatechange.worldbank.org/sites/default/files/documents/Household%20Cookstoves-web.pdf.
5. SCORE website: http://www.score.uk.com/default.aspx.