@book{93917,
	author = {Villacís, Byron. and e-libro, Corp.},
	title = {Analitika. No. 3, 2012},
	publisher = {Instituto Nacional de Estadísticas y Censos,},
	year = {2012.},
	address = {Quito :},
	url = {https://elibro.net/ereader/politecnicointernacional/82897}
}