@book{33097,
	author = {Kelly, Rachel,},
	title = {Integrated curriculum for secondary education :},
	publisher = {Ministerio de Educación, Cultura y Deporte, Centro Nacional de Innovación e Investigación Educativa,},
	year = {2012.},
	address = {[Madrid] :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/20915/}
}