Brikké, F. (2000). Operation and maintenance of rural water supply and sanitation systems: a training package for managers and planners. Delft, The Netherlands: IRC International Water and Sanitation Centre and World Health Organization.
Brikké, F. (2000). Operation and maintenance of rural water supply and sanitation systems: a training package for managers and planners. Delft, The Netherlands: IRC International Water and Sanitation Centre and World Health Organization.