@book{67423,
	author = {Sánchez Miguel, Emilio,},
	title = {Las dificultades de atención /},
	publisher = {UOC, la universidad virtual,},
	year = {[2002]},
	address = {[Barcelona] :},
	note = {On cover: "P01/72017/00388"},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/5736/}
}