@book{96036,
	author = {Gómez Fariñas, Beatriz,},
	title = {El principio de proporcionalidad en la contratación pública :},
	publisher = {Marcial Pons,},
	year = {2021.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/118976/}
}