linky
pedia
α
Non-revenue water
site
link
http://www-wds.worldbank.org/external/default/WDSContentServer/WDSP/IB/2007/09/25/000310607_20070925111156/Rendered/PDF/409640P0704130Public.pdf
http://www-wds.worldbank.org/external/default/main?pagePK=64193027&piPK=64187937&theSitePK=523679&menuPK=64187510&searchMenuPK=64187283&siteName=WDS&entityID=000333038_20090511041233
