1. Possibilities and limitations to cooperation in small groups: The case of group-owned wells in Southern India;Aggarwal;World Development,2000
2. Agrawal, A., & Ostrom, E. (1999). Collective Action, Property Rights, and Devolution in Forest and Protected Area Management. CAPRI Workshop on Devolution, Property Rights, and Collective Action. Puerto Azul, Philippines.
3. Banerjee, S., & Morella, E. (2011). Africa’s Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. Washington, D.C.: World Bank. https://openknowledge.worldbank.org/bitstream/handle/10986/2276/608040PUB0Afri10Box358332B01PUBLIC1.pdf?sequence=1Tariffs.
4. How three handpumps revolutionised rural water supplies: A brief history of the India Mark II/III, Afridev and the Zimbabwe bush pump;Baumann,2013
5. A paradox of learning in project cycle management and the role of organizational culture;Biggs;World Development,2003