@book{105536,
	author = {Ruiz, Antonio,},
	title = {Educación, medio ambiente y didáctica del entorno :},
	publisher = {Editorial Popular,},
	year = {[2008]},
	series = {Experiencias pedagógicas},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/155371/}
}