@book{20262,
	author = {Villafuerte Ledesma, Luis Arturo.},
	title = {Análisis metodológico en los trabajos de tesis /},
	publisher = {Editorial Digital UNID,},
	year = {2015.},
	address = {México, D.F. :},
	url = {https://elibro.net/ereader/politecnicointernacional/41146}
}