@book{16845,
	author = {GONZALES RIVERA VALENTINA  and VALENTINA GONZALES RIVERA},
	title = {INNOVACION EN CUBIERTAS PARA OBRAS CIVILES,ESPINAL TOLIMA 2021},
	publisher = {ITFIP},
	year = {Año 2021},
	address = {Espinal Tolima },
	edition = {Institución de Educación Superior (ITFIP)}
}