@book{2923,
	author = {WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation},
	title = {Progress on Drinking Water and Sanitation - 2010 update},
	publisher = {WHO,},
	year = {2010.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/44272/9789241563956_eng.pdf?sequence=1&isAllowed=y}
}