@book{105597,
	author = {Harlen, Wynne,},
	title = {Principios y grandes ideas para la educación en ciencias :},
	publisher = {Editorial Popular,},
	year = {[2012]},
	series = {Colección Proa. Serie Competencias},
	address = {Madrid :},
	note = {Subtitle taken from cover.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/155489/}
}