1. World Bank Group (2014), “World development indicators 2014”, World Bank Publications.
2. Delft design guide: Design strategies and methods;Van Boeijen;BIS Publishers,2014
3. Drinking water, sanitation and hygiene database, Technical report;UNICEF,2017
4. Toward a Universal Social Impact Metric for Engineered Products That Alleviate Poverty;Stevenson;Journal of Mechanical Engineering,2018
5. Persona development for information-rich domains, in ‘CHI'03 extended abstracts on Human factors in computing systems;Sinha;ACM,2003