@book{30149,
	author = {Ravina, Arturo Octavio. and e-libro, Corp.},
	title = {El balance social en las cooperativas y mutuales},
	publisher = {Red CIRIEC,},
	year = {2001.},
	address = {Valencia :},
	url = {https://elibro.net/ereader/politecnicointernacional/8708}
}