@book{104353,
	author = {Pérez Figueiras, Elfio, and Camejo Echemendía, Dimas,},
	title = {Síntesis gráfica de supervisión educativa :},
	publisher = {Editorial La Muralla, S. A.,},
	year = {[2009]},
	series = {Colección Aula abierta},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/137263/}
}