* IWMI report - [http://www.musproject.net/redir/content/download/584/5342/file/IWMI%20research%20report%2098%20multiple%20use%20water%20services.pdf Multiple-Use water services to advance the millennium development goals].
* Smet, J.E.M., Lammerink, M.P., Brikke, F., Bredero, M., Belli, A., Engelhardt, B. 1995. [http://www.ircwash.org/resources/evaluation-report-nicaraguan-experiences-rope-pump-final-report Evaluation report Nicaraguan experiences with rope pump : final report].
* Polak, P. et al, 2004. [http://www.ircwash.org/resources/beyond-domestic-case-studies-poverty-and-productive-uses-water-household-level Transforming access to rural water into profitable business opportunities]. In Beyond domestic. Case studies on poverty and productive uses of water at the household level. IRC Technical Papers Series 41.
* Schouten, T.; Moriarty, P. 2003. Community water, community management – From system to service in rural areas. The Hague, The Netherlands: IRC International Water and Sanitation Centre and ITDG