@book{17098,
	author = {LOPEZ PENAGOS JOSE MARIO,CADENA CHAVARRIAGA HECTOR FABIO  and JOSE MARIO LOPEZ PENAGOS },
	title = {MANUAL DE MATERIALES DE CONSTRUCCION,ESPINAL-TOLIMA,2022},
	publisher = {ITFIP},
	year = {AÑO 2021},
	address = {ESPINAL TOLIMA },
	edition = {INSTITUCION DE EDUCACION SUPERIOR (ITFIP)}
}