@book{41020,
	author = {Lefcovich, Mauricio León.},
	title = {Sistema matricial de control interno :},
	publisher = {El Cid Editor,},
	year = {2004.},
	address = {[Santa Fe] :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/34866}
}