यो Link आफ्नो भाषा मा अवस्थित छैन, हेर्नुहोस्: English (en),
अथवा गुगल अनुवाद प्रयोग:  

https://www.globalwaters.org/

The Water and Development Technical Series is a set of technical briefs that provide guidance on important topics for developing and implementing water and sanitation activities in support of the U.S. Government Global Water Strategy and USAID’s plan under the strategy.