@book{24910,
	author = {Lefcovich, Mauricio León. and e-libro, Corp.},
	title = {Calitividad},
	publisher = {[El Cid Editor | apuntes],},
	year = {[2009]},
	address = {[Santa Fe, Argentina] :},
	url = {https://elibro.net/ereader/politecnicointernacional/28584}
}