@book{535277,
	author = {Ravallion, M. and et al.},
	title = {Social protection and economic development: are the poorest being lifted-up or left-behind?},
	publisher = {National Bureau of Economic Research},
	year = {2018},
	address = {Cambridge},
	url = {http://www.siis.net/documentos/Path/535277.pdf}
}