یہ Link آپ کی زبان میں موجود نہیں ہے, میں دیکھنے: English (en),
یا گوگل کے ترجمہ کا استعمال کرتے:  

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.