@book{40027,
	author = {Martínez Moya, Emilio,},
	title = {Gestión de compras :},
	publisher = {FC Editorial,},
	year = {[2012]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37743/}
}