@book{2916,
	author = {World Health Organization},
	title = {Guidelines for the safe use of wastewater, excreta and greywater in agriculture and aquaculture},
	publisher = {WHO,},
	year = {2006.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/78265/9241546824_eng.pdf?sequence=1&isAllowed=y}
}