@book{86679,
	author = {Peña Acuña, Beatriz,},
	title = {La observación como herramienta científica /},
	publisher = {ACCI, Asociación Científica y Cultural Iberoamericana,},
	year = {[2015]},
	address = {Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/83863/}
}