@book{40155,
	author = {Alcelay, Claudia,},
	title = {Manual de certificación PMP® :},
	publisher = {FC Editorial,},
	year = {[2012]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37888/}
}